Home Explore Help
Sign In
levovix
/
Nim
mirror of https://github.com/nim-lang/Nim
Watch 1
Star 0
Fork 1
Files Issues 0 Wiki
Branch: gh-pages
Branches Tags
Nim
/
packedsets.html

packedsets.html 87 KB
Permalink History Raw

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812 
  1. <?xml version="1.0" encoding="utf-8" ?>
    2. 

  2. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    3. 

  3. <!--  This file is generated by Nim. -->
    4. 

  4. <html xmlns="https://www.w3.org/1999/xhtml" xml:lang="en" lang="en" data-theme="auto">
    5. 

  5. <head>
    6. 

  6. <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    7. 

  7. <meta name="viewport" content="width=device-width, initial-scale=1.0">
    8. 

  8. <title>std/packedsets</title>
    9. 

  9. 

  10. <!-- Google fonts -->
    11. 

  11. <link href='https://fonts.googleapis.com/css?family=Lato:400,600,900' rel='stylesheet' type='text/css'/>
    12. 

  12. <link href='https://fonts.googleapis.com/css?family=Source+Code+Pro:400,500,600' rel='stylesheet' type='text/css'/>
    13. 

  13. 

  14. <!-- Favicon -->
    15. 

  15. <link rel="shortcut icon" href="data:image/x-icon;base64,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"/>
    16. 

  16. <link rel="icon" type="image/png" sizes="32x32" href="data:image/png;base64,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">
    17. 

  17. 

  18. <!-- CSS -->
    19. 

  19. <link rel="stylesheet" type="text/css" href="nimdoc.out.css?v=2.3.1">
    20. 

  20. 

  21. <!-- JS -->
    22. 

  22. <script type="text/javascript" src="dochack.js?v=2.3.1"></script>
    23. 

  23. </head>
    24. 

  24. <body>
    25. 

  25.   <div class="document" id="documentId">
    26. 

  26.     <div class="container">
    27. 

  27.       <h1 class="title">std/packedsets</h1>
    28. 

  28.       <div class="row">
    29. 

  29.   <div class="three columns">
    30. 

  30.     <div class="theme-select-wrapper">
    31. 

  31.       <label for="theme-select">Theme:&nbsp;</label>
    32. 

  32.       <select id="theme-select" onchange="setTheme(this.value)">
    33. 

  33.         <option value="auto">🌗 Match OS</option>
    34. 

  34.         <option value="dark">🌑 Dark</option>
    35. 

  35.         <option value="light">🌕 Light</option>
    36. 

  36.       </select>
    37. 

  37.     </div>
    38. 

  38.     <div id="global-links">
    39. 

  39.       <ul class="simple-boot">
    40. 

  40.         <li><a href="manual.html">Manual</a></li>
    41. 

  41.         <li><a href="lib.html">Standard library</a></li>
    42. 

  42.         <li> <a id="indexLink" href="theindex.html">Index</a></li>
    43. 

  43.         <li><a href="compiler/theindex.html">Compiler docs</a></li>
    44. 

  44.         <li><a href="https://nim-lang.github.io/fusion/theindex.html">Fusion docs</a></li>
    45. 

  45.         <li><a href="https://nim-lang.github.io/Nim/">devel</a>, <a href="https://nim-lang.org/documentation.html">stable</a></li>
    46. 

  46.       </ul>
    47. 

  47.     </div>
    48. 

  48.     <div id="searchInputDiv">
    49. 

  49.       Search: <input type="search" id="searchInput"
    50. 

  50.         oninput="search()" />
    51. 

  51.     </div>
    52. 

  52.     
    53. 

  53.     <ul class="simple simple-toc" id="toc-list">
    54. 

  54.   <li><a class="reference" id="see-also_toc" href="#see-also">See also</a></li>
    55. 

  55. <li>
    56. 

  56.   <a class="reference reference-toplevel" href="#6" id="56">Imports</a>
    57. 

  57. </li>
    58. 

  58. <li>
    59. 

  59.   <details open>
    60. 

  60.     <summary><a class="reference reference-toplevel" href="#7" id="57">Types</a></summary>
    61. 

  61.     <ul class="simple simple-toc-section">
    62. 

  62.       <li><a class="reference" href="#PackedSet" title="PackedSet[A] = object">PackedSet</a></li>
    63. 

  63. 

  64.     </ul>
    65. 

  65.   </details>
    66. 

  66. </li>
    67. 

  67. <li>
    68. 

  68.   <details open>
    69. 

  69.     <summary><a class="reference reference-toplevel" href="#12" id="62">Procs</a></summary>
    70. 

  70.     <ul class="simple simple-toc-section">
    71. 

  71.       <ul class="simple nested-toc-section">$
    72. 

  72.   <li><a class="reference" href="#%24%2CPackedSet%5BA%5D" title="`$`[A](s: PackedSet[A]): string">`$`[A](s: PackedSet[A]): string</a></li>
    73. 

  73. 

  74. </ul>
    75. 

  75. <ul class="simple nested-toc-section">*
    76. 

  76.   <li><a class="reference" href="#%2A%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D" title="`*`[A](s1, s2: PackedSet[A]): PackedSet[A]">`*`[A](s1, s2: PackedSet[A]): PackedSet[A]</a></li>
    77. 

  77. 

  78. </ul>
    79. 

  79. <ul class="simple nested-toc-section">+
    80. 

  80.   <li><a class="reference" href="#%2B%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D" title="`+`[A](s1, s2: PackedSet[A]): PackedSet[A]">`+`[A](s1, s2: PackedSet[A]): PackedSet[A]</a></li>
    81. 

  81. 

  82. </ul>
    83. 

  83. <ul class="simple nested-toc-section">-
    84. 

  84.   <li><a class="reference" href="#-%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D" title="`-`[A](s1, s2: PackedSet[A]): PackedSet[A]">`-`[A](s1, s2: PackedSet[A]): PackedSet[A]</a></li>
    85. 

  85. 

  86. </ul>
    87. 

  87. <ul class="simple nested-toc-section"><
    88. 

  88.   <li><a class="reference" href="#%3C%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D" title="`&lt;`[A](s1, s2: PackedSet[A]): bool">`&lt;`[A](s1, s2: PackedSet[A]): bool</a></li>
    89. 

  89. 

  90. </ul>
    91. 

  91. <ul class="simple nested-toc-section"><=
    92. 

  92.   <li><a class="reference" href="#%3C%3D%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D" title="`&lt;=`[A](s1, s2: PackedSet[A]): bool">`&lt;=`[A](s1, s2: PackedSet[A]): bool</a></li>
    93. 

  93. 

  94. </ul>
    95. 

  95. <ul class="simple nested-toc-section">==
    96. 

  96.   <li><a class="reference" href="#%3D%3D%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D" title="`==`[A](s1, s2: PackedSet[A]): bool">`==`[A](s1, s2: PackedSet[A]): bool</a></li>
    97. 

  97. 

  98. </ul>
    99. 

  99. <ul class="simple nested-toc-section">=copy
    100. 

  100.   <li><a class="reference" href="#%3Dcopy%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D" title="`=copy`[A](dest: var PackedSet[A]; src: PackedSet[A])">`=copy`[A](dest: var PackedSet[A]; src: PackedSet[A])</a></li>
    101. 

  101. 

  102. </ul>
    103. 

  103. <ul class="simple nested-toc-section">assign
    104. 

  104.   <li><a class="reference" href="#assign%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D" title="assign[A](dest: var PackedSet[A]; src: PackedSet[A])">assign[A](dest: var PackedSet[A]; src: PackedSet[A])</a></li>
    105. 

  105. 

  106. </ul>
    107. 

  107. <ul class="simple nested-toc-section">card
    108. 

  108.   <li><a class="reference" href="#card%2CPackedSet%5BA%5D" title="card[A](s: PackedSet[A]): int">card[A](s: PackedSet[A]): int</a></li>
    109. 

  109. 

  110. </ul>
    111. 

  111. <ul class="simple nested-toc-section">clear
    112. 

  112.   <li><a class="reference" href="#clear%2CPackedSet%5BA%5D" title="clear[A](result: var PackedSet[A])">clear[A](result: var PackedSet[A])</a></li>
    113. 

  113. 

  114. </ul>
    115. 

  115. <ul class="simple nested-toc-section">contains
    116. 

  116.   <li><a class="reference" href="#contains%2CPackedSet%5BA%5D%2CA" title="contains[A](s: PackedSet[A]; key: A): bool">contains[A](s: PackedSet[A]; key: A): bool</a></li>
    117. 

  117. 

  118. </ul>
    119. 

  119. <ul class="simple nested-toc-section">containsOrIncl
    120. 

  120.   <li><a class="reference" href="#containsOrIncl%2CPackedSet%5BA%5D%2CA" title="containsOrIncl[A](s: var PackedSet[A]; key: A): bool">containsOrIncl[A](s: var PackedSet[A]; key: A): bool</a></li>
    121. 

  121. 

  122. </ul>
    123. 

  123. <ul class="simple nested-toc-section">difference
    124. 

  124.   <li><a class="reference" href="#difference%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D" title="difference[A](s1, s2: PackedSet[A]): PackedSet[A]">difference[A](s1, s2: PackedSet[A]): PackedSet[A]</a></li>
    125. 

  125. 

  126. </ul>
    127. 

  127. <ul class="simple nested-toc-section">disjoint
    128. 

  128.   <li><a class="reference" href="#disjoint%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D" title="disjoint[A](s1, s2: PackedSet[A]): bool">disjoint[A](s1, s2: PackedSet[A]): bool</a></li>
    129. 

  129. 

  130. </ul>
    131. 

  131. <ul class="simple nested-toc-section">excl
    132. 

  132.   <li><a class="reference" href="#excl%2CPackedSet%5BA%5D%2CA" title="excl[A](s: var PackedSet[A]; key: A)">excl[A](s: var PackedSet[A]; key: A)</a></li>
    133. 

  133. <li><a class="reference" href="#excl%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D" title="excl[A](s: var PackedSet[A]; other: PackedSet[A])">excl[A](s: var PackedSet[A]; other: PackedSet[A])</a></li>
    134. 

  134. 

  135. </ul>
    136. 

  136. <ul class="simple nested-toc-section">incl
    137. 

  137.   <li><a class="reference" href="#incl%2CPackedSet%5BA%5D%2CA" title="incl[A](s: var PackedSet[A]; key: A)">incl[A](s: var PackedSet[A]; key: A)</a></li>
    138. 

  138. <li><a class="reference" href="#incl%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D" title="incl[A](s: var PackedSet[A]; other: PackedSet[A])">incl[A](s: var PackedSet[A]; other: PackedSet[A])</a></li>
    139. 

  139. 

  140. </ul>
    141. 

  141. <ul class="simple nested-toc-section">initPackedSet
    142. 

  142.   <li><a class="reference" href="#initPackedSet" title="initPackedSet[A](): PackedSet[A]">initPackedSet[A](): PackedSet[A]</a></li>
    143. 

  143. 

  144. </ul>
    145. 

  145. <ul class="simple nested-toc-section">intersection
    146. 

  146.   <li><a class="reference" href="#intersection%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D" title="intersection[A](s1, s2: PackedSet[A]): PackedSet[A]">intersection[A](s1, s2: PackedSet[A]): PackedSet[A]</a></li>
    147. 

  147. 

  148. </ul>
    149. 

  149. <ul class="simple nested-toc-section">isNil
    150. 

  150.   <li><a class="reference" href="#isNil%2CPackedSet%5BA%5D" title="isNil[A](x: PackedSet[A]): bool">isNil[A](x: PackedSet[A]): bool</a></li>
    151. 

  151. 

  152. </ul>
    153. 

  153. <ul class="simple nested-toc-section">len
    154. 

  154.   <li><a class="reference" href="#len%2CPackedSet%5BA%5D" title="len[A](s: PackedSet[A]): int">len[A](s: PackedSet[A]): int</a></li>
    155. 

  155. 

  156. </ul>
    157. 

  157. <ul class="simple nested-toc-section">missingOrExcl
    158. 

  158.   <li><a class="reference" href="#missingOrExcl%2CPackedSet%5BA%5D%2CA" title="missingOrExcl[A](s: var PackedSet[A]; key: A): bool">missingOrExcl[A](s: var PackedSet[A]; key: A): bool</a></li>
    159. 

  159. 

  160. </ul>
    161. 

  161. <ul class="simple nested-toc-section">symmetricDifference
    162. 

  162.   <li><a class="reference" href="#symmetricDifference%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D" title="symmetricDifference[A](s1, s2: PackedSet[A]): PackedSet[A]">symmetricDifference[A](s1, s2: PackedSet[A]): PackedSet[A]</a></li>
    163. 

  163. 

  164. </ul>
    165. 

  165. <ul class="simple nested-toc-section">toPackedSet
    166. 

  166.   <li><a class="reference" href="#toPackedSet%2CopenArray%5BA%5D" title="toPackedSet[A](x: openArray[A]): PackedSet[A]">toPackedSet[A](x: openArray[A]): PackedSet[A]</a></li>
    167. 

  167. 

  168. </ul>
    169. 

  169. <ul class="simple nested-toc-section">union
    170. 

  170.   <li><a class="reference" href="#union%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D" title="union[A](s1, s2: PackedSet[A]): PackedSet[A]">union[A](s1, s2: PackedSet[A]): PackedSet[A]</a></li>
    171. 

  171. 

  172. </ul>
    173. 

  173. 

  174.     </ul>
    175. 

  175.   </details>
    176. 

  176. </li>
    177. 

  177. <li>
    178. 

  178.   <details open>
    179. 

  179.     <summary><a class="reference reference-toplevel" href="#15" id="65">Iterators</a></summary>
    180. 

  180.     <ul class="simple simple-toc-section">
    181. 

  181.       <ul class="simple nested-toc-section">items
    182. 

  182.   <li><a class="reference" href="#items.i%2CPackedSet%5BA%5D" title="items[A](s: PackedSet[A]): A">items[A](s: PackedSet[A]): A</a></li>
    183. 

  183. 

  184. </ul>
    185. 

  185. 

  186.     </ul>
    187. 

  187.   </details>
    188. 

  188. </li>
    189. 

  189. 

  190. </ul>
    191. 

  191. 

  192.   </div>
    193. 

  193.   <div class="nine columns" id="content">
    194. 

  194.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L1" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    195. 

  195. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L1" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    196. 

  196. 

  197.     <div id="tocRoot"></div>
    198. 

  198.     
    199. 

  199.     <p class="module-desc"><p>The <tt class="docutils literal"><span class="pre"><span class="Identifier">packedsets</span></span></tt> module implements an efficient <tt class="docutils literal"><span class="pre"><span class="Identifier">Ordinal</span></span></tt> set implemented as a <span id="sparse-bit-set_1">sparse bit set</span>.</p>
    200. 

  200. <p>Supports any Ordinal type.</p>
    201. 

  201. 

  202. <h1><a class="toc-backref" id="see-also" href="#see-also">See also</a></h1><ul class="simple"><li><a class="reference external" href="sets.html">sets module</a> for more general hash sets</li>
    203. 

  203. </ul>
    204. 

  204. </p>
    205. 

  205.     <div class="section" id="6">
    206. 

  206.   <h1><a class="toc-backref" href="#6">Imports</a></h1>
    207. 

  207.   <dl class="item">
    208. 

  208.     <a class="reference external" href="since.html">since</a>, <a class="reference external" href="hashes.html">hashes</a>, <a class="reference external" href="assertions.html">assertions</a>
    209. 

  209.   </dl>
    210. 

  210. </div>
    211. 

  211. <div class="section" id="7">
    212. 

  212.   <h1><a class="toc-backref" href="#7">Types</a></h1>
    213. 

  213.   <dl class="item">
    214. 

  214.     <div id="PackedSet">
    215. 

  215.   <dt><pre><a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span> <span class="Other">=</span> <span class="Keyword">object</span></pre></dt>
    216. 

  216.   <dd>
    217. 

  217.     
    218. 

  218.     An efficient set of <tt class="docutils literal"><span class="pre"><span class="Identifier">Ordinal</span></span></tt> types implemented as a sparse bit set.
    219. 

  219.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L46" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    220. 

  220. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L46" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    221. 

  221. 

  222.   </dd>
    223. 

  223. </div>
    224. 

  224. 

  225.   </dl>
    226. 

  226. </div>
    227. 

  227. <div class="section" id="12">
    228. 

  228.   <h1><a class="toc-backref" href="#12">Procs</a></h1>
    229. 

  229.   <dl class="item">
    230. 

  230.     <div id="$-procs-all">
    231. 

  231.   <div id="$,PackedSet[A]">
    232. 

  232.   <dt><pre><span class="Keyword">proc</span> <a href="#%24%2CPackedSet%5BA%5D"><span class="Identifier">`$`</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="system.html#string"><span class="Identifier">string</span></a></pre></dt>
    233. 

  233.   <dd>
    234. 

  234.     
    235. 

  235.     Converts <tt class="docutils literal"><span class="pre"><span class="Identifier">s</span></span></tt> to a string.
    236. 

  236. <p><strong class="examples_text">Example:</strong></p>
    237. 

  237. <pre class="listing"><span class="Keyword">let</span> <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">2</span><span class="Punctuation">,</span> <span class="DecNumber">3</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    238. 

  238. <span class="Identifier">assert</span> <span class="Operator">$</span><span class="Identifier">a</span> <span class="Operator">==</span> <span class="StringLit">&quot;{1, 2, 3}&quot;</span></pre>
    239. 

  239.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L595" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    240. 

  240. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L595" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    241. 

  241. 

  242.   </dd>
    243. 

  243. </div>
    244. 

  244. 

  245. </div>
    246. 

  246. <div id="*-procs-all">
    247. 

  247.   <div id="*,PackedSet[A],PackedSet[A]">
    248. 

  248.   <dt><pre><span class="Keyword">proc</span> <a href="#%2A%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D"><span class="Identifier">`*`</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s1</span><span class="Other">,</span> <span class="Identifier">s2</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span> {.<span class="Identifier">inline</span>.}</pre></dt>
    249. 

  249.   <dd>
    250. 

  250.     
    251. 

  251.     Alias for <a class="reference external" href="#intersection,PackedSet[A],PackedSet[A]">intersection(s1, s2)</a>.
    252. 

  252.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L522" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    253. 

  253. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L522" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    254. 

  254. 

  255.   </dd>
    256. 

  256. </div>
    257. 

  257. 

  258. </div>
    259. 

  259. <div id="+-procs-all">
    260. 

  260.   <div id="+,PackedSet[A],PackedSet[A]">
    261. 

  261.   <dt><pre><span class="Keyword">proc</span> <a href="#%2B%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D"><span class="Identifier">`+`</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s1</span><span class="Other">,</span> <span class="Identifier">s2</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span> {.<span class="Identifier">inline</span>.}</pre></dt>
    262. 

  262.   <dd>
    263. 

  263.     
    264. 

  264.     Alias for <a class="reference external" href="#union,PackedSet[A],PackedSet[A]">union(s1, s2)</a>.
    265. 

  265.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L518" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    266. 

  266. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L518" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    267. 

  267. 

  268.   </dd>
    269. 

  269. </div>
    270. 

  270. 

  271. </div>
    272. 

  272. <div id="--procs-all">
    273. 

  273.   <div id="-,PackedSet[A],PackedSet[A]">
    274. 

  274.   <dt><pre><span class="Keyword">proc</span> <a href="#-%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D"><span class="Identifier">`-`</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s1</span><span class="Other">,</span> <span class="Identifier">s2</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span> {.<span class="Identifier">inline</span>.}</pre></dt>
    275. 

  275.   <dd>
    276. 

  276.     
    277. 

  277.     Alias for <a class="reference external" href="#difference,PackedSet[A],PackedSet[A]">difference(s1, s2)</a>.
    278. 

  278.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L526" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    279. 

  279. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L526" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    280. 

  280. 

  281.   </dd>
    282. 

  282. </div>
    283. 

  283. 

  284. </div>
    285. 

  285. <div id="&lt;-procs-all">
    286. 

  286.   <div id="<,PackedSet[A],PackedSet[A]">
    287. 

  287.   <dt><pre><span class="Keyword">proc</span> <a href="#%3C%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D"><span class="Identifier">`&lt;`</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s1</span><span class="Other">,</span> <span class="Identifier">s2</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="system.html#bool"><span class="Identifier">bool</span></a></pre></dt>
    288. 

  288.   <dd>
    289. 

  289.     
    290. 

  290.     <p>Returns true if <tt class="docutils literal"><span class="pre"><span class="Identifier">s1</span></span></tt> is a proper subset of <tt class="docutils literal"><span class="pre"><span class="Identifier">s2</span></span></tt>.</p>
    291. 

  291. <p>A strict or proper subset <tt class="docutils literal"><span class="pre"><span class="Identifier">s1</span></span></tt> has all of its elements in <tt class="docutils literal"><span class="pre"><span class="Identifier">s2</span></span></tt>, but <tt class="docutils literal"><span class="pre"><span class="Identifier">s2</span></span></tt> has more elements than <tt class="docutils literal"><span class="pre"><span class="Identifier">s1</span></span></tt>.</p>
    292. 

  292. 

  293. <p><strong class="examples_text">Example:</strong></p>
    294. 

  294. <pre class="listing"><span class="Keyword">let</span>
    295. 

  295.   <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    296. 

  296.   <span class="Identifier">b</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">2</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    297. 

  297.   <span class="Identifier">c</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">3</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    298. 

  298. <span class="Identifier">assert</span> <span class="Identifier">a</span> <span class="Operator">&lt;</span> <span class="Identifier">b</span>
    299. 

  299. <span class="Identifier">assert</span> <span class="Keyword">not</span> <span class="Punctuation">(</span><span class="Identifier">b</span> <span class="Operator">&lt;</span> <span class="Identifier">b</span><span class="Punctuation">)</span>
    300. 

  300. <span class="Identifier">assert</span> <span class="Keyword">not</span> <span class="Punctuation">(</span><span class="Identifier">c</span> <span class="Operator">&lt;</span> <span class="Identifier">b</span><span class="Punctuation">)</span></pre>
    301. 

  301.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L571" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    302. 

  302. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L571" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    303. 

  303. 

  304.   </dd>
    305. 

  305. </div>
    306. 

  306. 

  307. </div>
    308. 

  308. <div id="&lt;=-procs-all">
    309. 

  309.   <div id="<=,PackedSet[A],PackedSet[A]">
    310. 

  310.   <dt><pre><span class="Keyword">proc</span> <a href="#%3C%3D%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D"><span class="Identifier">`&lt;=`</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s1</span><span class="Other">,</span> <span class="Identifier">s2</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="system.html#bool"><span class="Identifier">bool</span></a></pre></dt>
    311. 

  311.   <dd>
    312. 

  312.     
    313. 

  313.     <p>Returns true if <tt class="docutils literal"><span class="pre"><span class="Identifier">s1</span></span></tt> is a subset of <tt class="docutils literal"><span class="pre"><span class="Identifier">s2</span></span></tt>.</p>
    314. 

  314. <p>A subset <tt class="docutils literal"><span class="pre"><span class="Identifier">s1</span></span></tt> has all of its elements in <tt class="docutils literal"><span class="pre"><span class="Identifier">s2</span></span></tt>, but <tt class="docutils literal"><span class="pre"><span class="Identifier">s2</span></span></tt> doesn't necessarily have more elements than <tt class="docutils literal"><span class="pre"><span class="Identifier">s1</span></span></tt>. That is, <tt class="docutils literal"><span class="pre"><span class="Identifier">s1</span></span></tt> can be equal to <tt class="docutils literal"><span class="pre"><span class="Identifier">s2</span></span></tt>.</p>
    315. 

  315. 

  316. <p><strong class="examples_text">Example:</strong></p>
    317. 

  317. <pre class="listing"><span class="Keyword">let</span>
    318. 

  318.   <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    319. 

  319.   <span class="Identifier">b</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">2</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    320. 

  320.   <span class="Identifier">c</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">3</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    321. 

  321. <span class="Identifier">assert</span> <span class="Identifier">a</span> <span class="Operator">&lt;=</span> <span class="Identifier">b</span>
    322. 

  322. <span class="Identifier">assert</span> <span class="Identifier">b</span> <span class="Operator">&lt;=</span> <span class="Identifier">b</span>
    323. 

  323. <span class="Identifier">assert</span> <span class="Keyword">not</span> <span class="Punctuation">(</span><span class="Identifier">c</span> <span class="Operator">&lt;=</span> <span class="Identifier">b</span><span class="Punctuation">)</span></pre>
    324. 

  324.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L552" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    325. 

  325. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L552" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    326. 

  326. 

  327.   </dd>
    328. 

  328. </div>
    329. 

  329. 

  330. </div>
    331. 

  331. <div id="==-procs-all">
    332. 

  332.   <div id="==,PackedSet[A],PackedSet[A]">
    333. 

  333.   <dt><pre><span class="Keyword">proc</span> <a href="#%3D%3D%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D"><span class="Identifier">`==`</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s1</span><span class="Other">,</span> <span class="Identifier">s2</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="system.html#bool"><span class="Identifier">bool</span></a></pre></dt>
    334. 

  334.   <dd>
    335. 

  335.     
    336. 

  336.     Returns true if both <tt class="docutils literal"><span class="pre"><span class="Identifier">s1</span></span></tt> and <tt class="docutils literal"><span class="pre"><span class="Identifier">s2</span></span></tt> have the same elements and set size.
    337. 

  337. <p><strong class="examples_text">Example:</strong></p>
    338. 

  338. <pre class="listing"><span class="Identifier">assert</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">2</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span> <span class="Operator">==</span> <span class="Punctuation">[</span><span class="DecNumber">2</span><span class="Punctuation">,</span> <span class="DecNumber">1</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    339. 

  339. <span class="Identifier">assert</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">2</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span> <span class="Operator">==</span> <span class="Punctuation">[</span><span class="DecNumber">2</span><span class="Punctuation">,</span> <span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">2</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span></pre>
    340. 

  340.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L587" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    341. 

  341. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L587" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    342. 

  342. 

  343.   </dd>
    344. 

  344. </div>
    345. 

  345. 

  346. </div>
    347. 

  347. <div id="=copy-procs-all">
    348. 

  348.   <div id="=copy,PackedSet[A],PackedSet[A]">
    349. 

  349.   <dt><pre><span class="Keyword">proc</span> <a href="#%3Dcopy%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D"><span class="Identifier">`=copy`</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">dest</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">;</span> <span class="Identifier">src</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span></pre></dt>
    350. 

  350.   <dd>
    351. 

  351.     
    352. 

  352.     Copies <tt class="docutils literal"><span class="pre"><span class="Identifier">src</span></span></tt> to <tt class="docutils literal"><span class="pre"><span class="Identifier">dest</span></span></tt>. <tt class="docutils literal"><span class="pre"><span class="Identifier">dest</span></span></tt> does not need to be initialized by the <a class="reference external" href="#initPackedSet">initPackedSet proc</a>.
    353. 

  353.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L410" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    354. 

  354. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L410" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    355. 

  355. 

  356.   </dd>
    357. 

  357. </div>
    358. 

  358. 

  359. </div>
    360. 

  360. <div id="assign-procs-all">
    361. 

  361.   <div id="assign,PackedSet[A],PackedSet[A]">
    362. 

  362.   <dt><pre><span class="Keyword">proc</span> <a href="#assign%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D"><span class="Identifier">assign</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">dest</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">;</span> <span class="Identifier">src</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span> {.<span class="Identifier">inline</span><span class="Other">,</span> <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">deprecated</span></span>.}</pre></dt>
    363. 

  363.   <dd>
    364. 

  364.     <div class="deprecation-message">
    365. 

  365.   <b>Deprecated</b> 
    366. 

  366. </div>
    367. 

  367. 

  368.     Copies <tt class="docutils literal"><span class="pre"><span class="Identifier">src</span></span></tt> to <tt class="docutils literal"><span class="pre"><span class="Identifier">dest</span></span></tt>. <tt class="docutils literal"><span class="pre"><span class="Identifier">dest</span></span></tt> does not need to be initialized by the <a class="reference external" href="#initPackedSet">initPackedSet proc</a>.
    369. 

  369. <p><strong class="examples_text">Example:</strong></p>
    370. 

  370. <pre class="listing"><span class="Keyword">var</span>
    371. 

  371.   <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Identifier">initPackedSet</span><span class="Punctuation">[</span><span class="Identifier">int</span><span class="Punctuation">]</span><span class="Punctuation">(</span><span class="Punctuation">)</span>
    372. 

  372.   <span class="Identifier">b</span> <span class="Operator">=</span> <span class="Identifier">initPackedSet</span><span class="Punctuation">[</span><span class="Identifier">int</span><span class="Punctuation">]</span><span class="Punctuation">(</span><span class="Punctuation">)</span>
    373. 

  373. <span class="Identifier">b</span><span class="Operator">.</span><span class="Identifier">incl</span><span class="Punctuation">(</span><span class="DecNumber">5</span><span class="Punctuation">)</span>
    374. 

  374. <span class="Identifier">b</span><span class="Operator">.</span><span class="Identifier">incl</span><span class="Punctuation">(</span><span class="DecNumber">7</span><span class="Punctuation">)</span>
    375. 

  375. <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">assign</span><span class="Punctuation">(</span><span class="Identifier">b</span><span class="Punctuation">)</span>
    376. 

  376. <span class="Identifier">assert</span> <span class="Identifier">len</span><span class="Punctuation">(</span><span class="Identifier">a</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="DecNumber">2</span></pre>
    377. 

  377.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L441" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    378. 

  378. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L441" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    379. 

  379. 

  380.   </dd>
    381. 

  381. </div>
    382. 

  382. 

  383. </div>
    384. 

  384. <div id="card-procs-all">
    385. 

  385.   <div id="card,PackedSet[A]">
    386. 

  386.   <dt><pre><span class="Keyword">proc</span> <a href="#card%2CPackedSet%5BA%5D"><span class="Identifier">card</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="system.html#int"><span class="Identifier">int</span></a> {.<span class="Identifier">inline</span>.}</pre></dt>
    387. 

  387.   <dd>
    388. 

  388.     
    389. 

  389.     <p>Alias for <a class="reference external" href="#len,PackedSet[A]">len()</a>.</p>
    390. 

  390. <p>Card stands for the <a class="reference external" href="https://en.wikipedia.org/wiki/Cardinality">cardinality</a> of a set.</p>
    391. 

  391. 

  392.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L545" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    393. 

  393. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L545" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    394. 

  394. 

  395.   </dd>
    396. 

  396. </div>
    397. 

  397. 

  398. </div>
    399. 

  399. <div id="clear-procs-all">
    400. 

  400.   <div id="clear,PackedSet[A]">
    401. 

  401.   <dt><pre><span class="Keyword">proc</span> <a href="#clear%2CPackedSet%5BA%5D"><span class="Identifier">clear</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">result</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span></pre></dt>
    402. 

  402.   <dd>
    403. 

  403.     
    404. 

  404.     Clears the <tt class="docutils literal"><span class="pre"><span class="Identifier">PackedSet</span><span class="Punctuation">[</span><span class="Identifier">A</span><span class="Punctuation">]</span></span></tt> back to an empty state.
    405. 

  405. <p><strong class="examples_text">Example:</strong></p>
    406. 

  406. <pre class="listing"><span class="Keyword">var</span> <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">5</span><span class="Punctuation">,</span> <span class="DecNumber">7</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    407. 

  407. <span class="Identifier">clear</span><span class="Punctuation">(</span><span class="Identifier">a</span><span class="Punctuation">)</span>
    408. 

  408. <span class="Identifier">assert</span> <span class="Identifier">len</span><span class="Punctuation">(</span><span class="Identifier">a</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="DecNumber">0</span></pre>
    409. 

  409.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L382" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    410. 

  410. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L382" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    411. 

  411. 

  412.   </dd>
    413. 

  413. </div>
    414. 

  414. 

  415. </div>
    416. 

  416. <div id="contains-procs-all">
    417. 

  417.   <div id="contains,PackedSet[A],A">
    418. 

  418.   <dt><pre><span class="Keyword">proc</span> <a href="#contains%2CPackedSet%5BA%5D%2CA"><span class="Identifier">contains</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">;</span> <span class="Identifier">key</span><span class="Other">:</span> <span class="Identifier">A</span><span class="Other">)</span><span class="Other">:</span> <a href="system.html#bool"><span class="Identifier">bool</span></a></pre></dt>
    419. 

  419.   <dd>
    420. 

  420.     
    421. 

  421.     <p>Returns true if <tt class="docutils literal"><span class="pre"><span class="Identifier">key</span></span></tt> is in <tt class="docutils literal"><span class="pre"><span class="Identifier">s</span></span></tt>.</p>
    422. 

  422. <p>This allows the usage of the <tt class="docutils literal"><span class="pre"><span class="Keyword">in</span></span></tt> operator.</p>
    423. 

  423. 

  424. <p><strong class="examples_text">Example:</strong></p>
    425. 

  425. <pre class="listing"><span class="Keyword">type</span> <span class="Identifier">ABCD</span> <span class="Operator">=</span> <span class="Keyword">enum</span> <span class="Identifier">A</span><span class="Punctuation">,</span> <span class="Identifier">B</span><span class="Punctuation">,</span> <span class="Identifier">C</span><span class="Punctuation">,</span> <span class="Identifier">D</span>
    426. 

  426. 

  427. <span class="Keyword">let</span> <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">3</span><span class="Punctuation">,</span> <span class="DecNumber">5</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    428. 

  428. <span class="Identifier">assert</span> <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">contains</span><span class="Punctuation">(</span><span class="DecNumber">3</span><span class="Punctuation">)</span>
    429. 

  429. <span class="Identifier">assert</span> <span class="DecNumber">3</span> <span class="Keyword">in</span> <span class="Identifier">a</span>
    430. 

  430. <span class="Identifier">assert</span> <span class="Keyword">not</span> <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">contains</span><span class="Punctuation">(</span><span class="DecNumber">8</span><span class="Punctuation">)</span>
    431. 

  431. <span class="Identifier">assert</span> <span class="DecNumber">8</span> <span class="Keyword">notin</span> <span class="Identifier">a</span>
    432. 

  432. 

  433. <span class="Keyword">let</span> <span class="Identifier">letters</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="Identifier">A</span><span class="Punctuation">,</span> <span class="Identifier">C</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    434. 

  434. <span class="Identifier">assert</span> <span class="Identifier">A</span> <span class="Keyword">in</span> <span class="Identifier">letters</span>
    435. 

  435. <span class="Identifier">assert</span> <span class="Identifier">C</span> <span class="Keyword">in</span> <span class="Identifier">letters</span>
    436. 

  436. <span class="Identifier">assert</span> <span class="Identifier">B</span> <span class="Keyword">notin</span> <span class="Identifier">letters</span></pre>
    437. 

  437.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L182" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    438. 

  438. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L182" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    439. 

  439. 

  440.   </dd>
    441. 

  441. </div>
    442. 

  442. 

  443. </div>
    444. 

  444. <div id="containsOrIncl-procs-all">
    445. 

  445.   <div id="containsOrIncl,PackedSet[A],A">
    446. 

  446.   <dt><pre><span class="Keyword">proc</span> <a href="#containsOrIncl%2CPackedSet%5BA%5D%2CA"><span class="Identifier">containsOrIncl</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">;</span> <span class="Identifier">key</span><span class="Other">:</span> <span class="Identifier">A</span><span class="Other">)</span><span class="Other">:</span> <a href="system.html#bool"><span class="Identifier">bool</span></a></pre></dt>
    447. 

  447.   <dd>
    448. 

  448.     
    449. 

  449.     <p>Includes <tt class="docutils literal"><span class="pre"><span class="Identifier">key</span></span></tt> in the set <tt class="docutils literal"><span class="pre"><span class="Identifier">s</span></span></tt> and tells if <tt class="docutils literal"><span class="pre"><span class="Identifier">key</span></span></tt> was already in <tt class="docutils literal"><span class="pre"><span class="Identifier">s</span></span></tt>.</p>
    450. 

  450. <p>The difference with regards to the <a class="reference external" href="#incl,PackedSet[A],A">incl proc</a> is that this proc returns true if <tt class="docutils literal"><span class="pre"><span class="Identifier">s</span></span></tt> already contained <tt class="docutils literal"><span class="pre"><span class="Identifier">key</span></span></tt>. The proc will return false if <tt class="docutils literal"><span class="pre"><span class="Identifier">key</span></span></tt> was added as a new value to <tt class="docutils literal"><span class="pre"><span class="Identifier">s</span></span></tt> during this call.</p>
    451. 

  451. <p><strong>See also:</strong></p>
    452. 

  452. <ul class="simple"><li><a class="reference external" href="#incl,PackedSet[A],A">incl proc</a> for including an element</li>
    453. 

  453. <li><a class="reference external" href="#missingOrExcl,PackedSet[A],A">missingOrExcl proc</a></li>
    454. 

  454. </ul>
    455. 

  455. 

  456. <p><strong class="examples_text">Example:</strong></p>
    457. 

  457. <pre class="listing"><span class="Keyword">var</span> <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Identifier">initPackedSet</span><span class="Punctuation">[</span><span class="Identifier">int</span><span class="Punctuation">]</span><span class="Punctuation">(</span><span class="Punctuation">)</span>
    458. 

  458. <span class="Identifier">assert</span> <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">containsOrIncl</span><span class="Punctuation">(</span><span class="DecNumber">3</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="Identifier">false</span>
    459. 

  459. <span class="Identifier">assert</span> <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">containsOrIncl</span><span class="Punctuation">(</span><span class="DecNumber">3</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="Identifier">true</span>
    460. 

  460. <span class="Identifier">assert</span> <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">containsOrIncl</span><span class="Punctuation">(</span><span class="DecNumber">4</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="Identifier">false</span></pre>
    461. 

  461.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L276" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    462. 

  462. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L276" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    463. 

  463. 

  464.   </dd>
    465. 

  465. </div>
    466. 

  466. 

  467. </div>
    468. 

  468. <div id="difference-procs-all">
    469. 

  469.   <div id="difference,PackedSet[A],PackedSet[A]">
    470. 

  470.   <dt><pre><span class="Keyword">proc</span> <a href="#difference%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D"><span class="Identifier">difference</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s1</span><span class="Other">,</span> <span class="Identifier">s2</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span></pre></dt>
    471. 

  471.   <dd>
    472. 

  472.     
    473. 

  473.     <p>Returns the difference of the sets <tt class="docutils literal"><span class="pre"><span class="Identifier">s1</span></span></tt> and <tt class="docutils literal"><span class="pre"><span class="Identifier">s2</span></span></tt>.</p>
    474. 

  474. <p>The same as <a class="reference external" href="#-,PackedSet[A],PackedSet[A]">s1 - s2</a>.</p>
    475. 

  475. 

  476. <p><strong class="examples_text">Example:</strong></p>
    477. 

  477. <pre class="listing"><span class="Keyword">let</span>
    478. 

  478.   <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">2</span><span class="Punctuation">,</span> <span class="DecNumber">3</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    479. 

  479.   <span class="Identifier">b</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">3</span><span class="Punctuation">,</span> <span class="DecNumber">4</span><span class="Punctuation">,</span> <span class="DecNumber">5</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    480. 

  480.   <span class="Identifier">c</span> <span class="Operator">=</span> <span class="Identifier">difference</span><span class="Punctuation">(</span><span class="Identifier">a</span><span class="Punctuation">,</span> <span class="Identifier">b</span><span class="Punctuation">)</span>
    481. 

  481. <span class="Identifier">assert</span> <span class="Identifier">c</span><span class="Operator">.</span><span class="Identifier">len</span> <span class="Operator">==</span> <span class="DecNumber">2</span>
    482. 

  482. <span class="Identifier">assert</span> <span class="Identifier">c</span> <span class="Operator">==</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">2</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span></pre>
    483. 

  483.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L486" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    484. 

  484. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L486" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    485. 

  485. 

  486.   </dd>
    487. 

  487. </div>
    488. 

  488. 

  489. </div>
    490. 

  490. <div id="disjoint-procs-all">
    491. 

  491.   <div id="disjoint,PackedSet[A],PackedSet[A]">
    492. 

  492.   <dt><pre><span class="Keyword">proc</span> <a href="#disjoint%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D"><span class="Identifier">disjoint</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s1</span><span class="Other">,</span> <span class="Identifier">s2</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="system.html#bool"><span class="Identifier">bool</span></a></pre></dt>
    493. 

  493.   <dd>
    494. 

  494.     
    495. 

  495.     Returns true if the sets <tt class="docutils literal"><span class="pre"><span class="Identifier">s1</span></span></tt> and <tt class="docutils literal"><span class="pre"><span class="Identifier">s2</span></span></tt> have no items in common.
    496. 

  496. <p><strong class="examples_text">Example:</strong></p>
    497. 

  497. <pre class="listing"><span class="Keyword">let</span>
    498. 

  498.   <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">2</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    499. 

  499.   <span class="Identifier">b</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">2</span><span class="Punctuation">,</span> <span class="DecNumber">3</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    500. 

  500.   <span class="Identifier">c</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">3</span><span class="Punctuation">,</span> <span class="DecNumber">4</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    501. 

  501. <span class="Identifier">assert</span> <span class="Identifier">disjoint</span><span class="Punctuation">(</span><span class="Identifier">a</span><span class="Punctuation">,</span> <span class="Identifier">b</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="Identifier">false</span>
    502. 

  502. <span class="Identifier">assert</span> <span class="Identifier">disjoint</span><span class="Punctuation">(</span><span class="Identifier">a</span><span class="Punctuation">,</span> <span class="Identifier">c</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="Identifier">true</span></pre>
    503. 

  503.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L530" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    504. 

  504. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L530" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    505. 

  505. 

  506.   </dd>
    507. 

  507. </div>
    508. 

  508. 

  509. </div>
    510. 

  510. <div id="excl-procs-all">
    511. 

  511.   <div id="excl,PackedSet[A],A">
    512. 

  512.   <dt><pre><span class="Keyword">proc</span> <a href="#excl%2CPackedSet%5BA%5D%2CA"><span class="Identifier">excl</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">;</span> <span class="Identifier">key</span><span class="Other">:</span> <span class="Identifier">A</span><span class="Other">)</span></pre></dt>
    513. 

  513.   <dd>
    514. 

  514.     
    515. 

  515.     <p>Excludes <tt class="docutils literal"><span class="pre"><span class="Identifier">key</span></span></tt> from the set <tt class="docutils literal"><span class="pre"><span class="Identifier">s</span></span></tt>.</p>
    516. 

  516. <p>This doesn't do anything if <tt class="docutils literal"><span class="pre"><span class="Identifier">key</span></span></tt> is not found in <tt class="docutils literal"><span class="pre"><span class="Identifier">s</span></span></tt>.</p>
    517. 

  517. <p><strong>See also:</strong></p>
    518. 

  518. <ul class="simple"><li><a class="reference external" href="#incl,PackedSet[A],A">incl proc</a> for including an element</li>
    519. 

  519. <li><a class="reference external" href="#excl,PackedSet[A],PackedSet[A]">excl proc</a> for excluding a set</li>
    520. 

  520. <li><a class="reference external" href="#missingOrExcl,PackedSet[A],A">missingOrExcl proc</a></li>
    521. 

  521. </ul>
    522. 

  522. 

  523. <p><strong class="examples_text">Example:</strong></p>
    524. 

  524. <pre class="listing"><span class="Keyword">var</span> <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">3</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    525. 

  525. <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">excl</span><span class="Punctuation">(</span><span class="DecNumber">3</span><span class="Punctuation">)</span>
    526. 

  526. <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">excl</span><span class="Punctuation">(</span><span class="DecNumber">3</span><span class="Punctuation">)</span>
    527. 

  527. <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">excl</span><span class="Punctuation">(</span><span class="DecNumber">99</span><span class="Punctuation">)</span>
    528. 

  528. <span class="Identifier">assert</span> <span class="Identifier">len</span><span class="Punctuation">(</span><span class="Identifier">a</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="DecNumber">0</span></pre>
    529. 

  529.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L311" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    530. 

  530. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L311" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    531. 

  531. 

  532.   </dd>
    533. 

  533. </div>
    534. 

  534. <div id="excl,PackedSet[A],PackedSet[A]">
    535. 

  535.   <dt><pre><span class="Keyword">proc</span> <a href="#excl%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D"><span class="Identifier">excl</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">;</span> <span class="Identifier">other</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span></pre></dt>
    536. 

  536.   <dd>
    537. 

  537.     
    538. 

  538.     <p>Excludes all elements from <tt class="docutils literal"><span class="pre"><span class="Identifier">other</span></span></tt> from <tt class="docutils literal"><span class="pre"><span class="Identifier">s</span></span></tt>.</p>
    539. 

  539. <p>This is the in-place version of <a class="reference external" href="#-,PackedSet[A],PackedSet[A]">s - other</a>.</p>
    540. 

  540. <p><strong>See also:</strong></p>
    541. 

  541. <ul class="simple"><li><a class="reference external" href="#incl,PackedSet[A],PackedSet[A]">incl proc</a> for including a set</li>
    542. 

  542. <li><a class="reference external" href="#excl,PackedSet[A],A">excl proc</a> for excluding an element</li>
    543. 

  543. <li><a class="reference external" href="#missingOrExcl,PackedSet[A],A">missingOrExcl proc</a></li>
    544. 

  544. </ul>
    545. 

  545. 

  546. <p><strong class="examples_text">Example:</strong></p>
    547. 

  547. <pre class="listing"><span class="Keyword">var</span> <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">5</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    548. 

  548. <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">excl</span><span class="Punctuation">(</span><span class="Punctuation">[</span><span class="DecNumber">5</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span><span class="Punctuation">)</span>
    549. 

  549. <span class="Identifier">assert</span> <span class="Identifier">len</span><span class="Punctuation">(</span><span class="Identifier">a</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="DecNumber">1</span>
    550. 

  550. <span class="Identifier">assert</span> <span class="DecNumber">5</span> <span class="Keyword">notin</span> <span class="Identifier">a</span></pre>
    551. 

  551.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L329" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    552. 

  552. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L329" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    553. 

  553. 

  554.   </dd>
    555. 

  555. </div>
    556. 

  556. 

  557. </div>
    558. 

  558. <div id="incl-procs-all">
    559. 

  559.   <div id="incl,PackedSet[A],A">
    560. 

  560.   <dt><pre><span class="Keyword">proc</span> <a href="#incl%2CPackedSet%5BA%5D%2CA"><span class="Identifier">incl</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">;</span> <span class="Identifier">key</span><span class="Other">:</span> <span class="Identifier">A</span><span class="Other">)</span></pre></dt>
    561. 

  561.   <dd>
    562. 

  562.     
    563. 

  563.     <p>Includes an element <tt class="docutils literal"><span class="pre"><span class="Identifier">key</span></span></tt> in <tt class="docutils literal"><span class="pre"><span class="Identifier">s</span></span></tt>.</p>
    564. 

  564. <p>This doesn't do anything if <tt class="docutils literal"><span class="pre"><span class="Identifier">key</span></span></tt> is already in <tt class="docutils literal"><span class="pre"><span class="Identifier">s</span></span></tt>.</p>
    565. 

  565. <p><strong>See also:</strong></p>
    566. 

  566. <ul class="simple"><li><a class="reference external" href="#excl,PackedSet[A],A">excl proc</a> for excluding an element</li>
    567. 

  567. <li><a class="reference external" href="#incl,PackedSet[A],PackedSet[A]">incl proc</a> for including a set</li>
    568. 

  568. <li><a class="reference external" href="#containsOrIncl,PackedSet[A],A">containsOrIncl proc</a></li>
    569. 

  569. </ul>
    570. 

  570. 

  571. <p><strong class="examples_text">Example:</strong></p>
    572. 

  572. <pre class="listing"><span class="Keyword">var</span> <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Identifier">initPackedSet</span><span class="Punctuation">[</span><span class="Identifier">int</span><span class="Punctuation">]</span><span class="Punctuation">(</span><span class="Punctuation">)</span>
    573. 

  573. <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">incl</span><span class="Punctuation">(</span><span class="DecNumber">3</span><span class="Punctuation">)</span>
    574. 

  574. <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">incl</span><span class="Punctuation">(</span><span class="DecNumber">3</span><span class="Punctuation">)</span>
    575. 

  575. <span class="Identifier">assert</span> <span class="Identifier">len</span><span class="Punctuation">(</span><span class="Identifier">a</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="DecNumber">1</span></pre>
    576. 

  576.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L213" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    577. 

  577. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L213" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    578. 

  578. 

  579.   </dd>
    580. 

  580. </div>
    581. 

  581. <div id="incl,PackedSet[A],PackedSet[A]">
    582. 

  582.   <dt><pre><span class="Keyword">proc</span> <a href="#incl%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D"><span class="Identifier">incl</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">;</span> <span class="Identifier">other</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span></pre></dt>
    583. 

  583.   <dd>
    584. 

  584.     
    585. 

  585.     <p>Includes all elements from <tt class="docutils literal"><span class="pre"><span class="Identifier">other</span></span></tt> into <tt class="docutils literal"><span class="pre"><span class="Identifier">s</span></span></tt>.</p>
    586. 

  586. <p>This is the in-place version of <a class="reference external" href="#+,PackedSet[A],PackedSet[A]">s + other</a>.</p>
    587. 

  587. <p><strong>See also:</strong></p>
    588. 

  588. <ul class="simple"><li><a class="reference external" href="#excl,PackedSet[A],PackedSet[A]">excl proc</a> for excluding a set</li>
    589. 

  589. <li><a class="reference external" href="#incl,PackedSet[A],A">incl proc</a> for including an element</li>
    590. 

  590. <li><a class="reference external" href="#containsOrIncl,PackedSet[A],A">containsOrIncl proc</a></li>
    591. 

  591. </ul>
    592. 

  592. 

  593. <p><strong class="examples_text">Example:</strong></p>
    594. 

  594. <pre class="listing"><span class="Keyword">var</span> <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    595. 

  595. <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">incl</span><span class="Punctuation">(</span><span class="Punctuation">[</span><span class="DecNumber">5</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span><span class="Punctuation">)</span>
    596. 

  596. <span class="Identifier">assert</span> <span class="Identifier">len</span><span class="Punctuation">(</span><span class="Identifier">a</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="DecNumber">2</span>
    597. 

  597. <span class="Identifier">assert</span> <span class="DecNumber">5</span> <span class="Keyword">in</span> <span class="Identifier">a</span></pre>
    598. 

  598.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L243" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    599. 

  599. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L243" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    600. 

  600. 

  601.   </dd>
    602. 

  602. </div>
    603. 

  603. 

  604. </div>
    605. 

  605. <div id="initPackedSet-procs-all">
    606. 

  606.   <div id="initPackedSet">
    607. 

  607.   <dt><pre><span class="Keyword">proc</span> <a href="#initPackedSet"><span class="Identifier">initPackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Other">)</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span></pre></dt>
    608. 

  608.   <dd>
    609. 

  609.     
    610. 

  610.     <p>Returns an empty <tt class="docutils literal"><span class="pre"><span class="Identifier">PackedSet</span><span class="Punctuation">[</span><span class="Identifier">A</span><span class="Punctuation">]</span></span></tt>. <tt class="docutils literal"><span class="pre"><span class="Identifier">A</span></span></tt> must be <tt class="docutils literal"><span class="pre"><span class="Identifier">Ordinal</span></span></tt>.</p>
    611. 

  611. <p><strong>See also:</strong></p>
    612. 

  612. <ul class="simple"><li><a class="reference external" href="#toPackedSet,openArray[A]">toPackedSet proc</a></li>
    613. 

  613. </ul>
    614. 

  614. 

  615. <p><strong class="examples_text">Example:</strong></p>
    616. 

  616. <pre class="listing"><span class="Keyword">let</span> <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Identifier">initPackedSet</span><span class="Punctuation">[</span><span class="Identifier">int</span><span class="Punctuation">]</span><span class="Punctuation">(</span><span class="Punctuation">)</span>
    617. 

  617. <span class="Identifier">assert</span> <span class="Identifier">len</span><span class="Punctuation">(</span><span class="Identifier">a</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="DecNumber">0</span>
    618. 

  618. 

  619. <span class="Keyword">type</span> <span class="Identifier">Id</span> <span class="Operator">=</span> <span class="Keyword">distinct</span> <span class="Identifier">int</span>
    620. 

  620. <span class="Keyword">var</span> <span class="Identifier">ids</span> <span class="Operator">=</span> <span class="Identifier">initPackedSet</span><span class="Punctuation">[</span><span class="Identifier">Id</span><span class="Punctuation">]</span><span class="Punctuation">(</span><span class="Punctuation">)</span>
    621. 

  621. <span class="Identifier">ids</span><span class="Operator">.</span><span class="Identifier">incl</span><span class="Punctuation">(</span><span class="FloatNumber">3.</span><span class="Identifier">Id</span><span class="Punctuation">)</span></pre>
    622. 

  622.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L160" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    623. 

  623. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L160" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    624. 

  624. 

  625.   </dd>
    626. 

  626. </div>
    627. 

  627. 

  628. </div>
    629. 

  629. <div id="intersection-procs-all">
    630. 

  630.   <div id="intersection,PackedSet[A],PackedSet[A]">
    631. 

  631.   <dt><pre><span class="Keyword">proc</span> <a href="#intersection%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D"><span class="Identifier">intersection</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s1</span><span class="Other">,</span> <span class="Identifier">s2</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span></pre></dt>
    632. 

  632.   <dd>
    633. 

  633.     
    634. 

  634.     <p>Returns the intersection of the sets <tt class="docutils literal"><span class="pre"><span class="Identifier">s1</span></span></tt> and <tt class="docutils literal"><span class="pre"><span class="Identifier">s2</span></span></tt>.</p>
    635. 

  635. <p>The same as <a class="reference external" href="#*,PackedSet[A],PackedSet[A]">s1 * s2</a>.</p>
    636. 

  636. 

  637. <p><strong class="examples_text">Example:</strong></p>
    638. 

  638. <pre class="listing"><span class="Keyword">let</span>
    639. 

  639.   <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">2</span><span class="Punctuation">,</span> <span class="DecNumber">3</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    640. 

  640.   <span class="Identifier">b</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">3</span><span class="Punctuation">,</span> <span class="DecNumber">4</span><span class="Punctuation">,</span> <span class="DecNumber">5</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    641. 

  641.   <span class="Identifier">c</span> <span class="Operator">=</span> <span class="Identifier">intersection</span><span class="Punctuation">(</span><span class="Identifier">a</span><span class="Punctuation">,</span> <span class="Identifier">b</span><span class="Punctuation">)</span>
    642. 

  642. <span class="Identifier">assert</span> <span class="Identifier">c</span><span class="Operator">.</span><span class="Identifier">len</span> <span class="Operator">==</span> <span class="DecNumber">1</span>
    643. 

  643. <span class="Identifier">assert</span> <span class="Identifier">c</span> <span class="Operator">==</span> <span class="Punctuation">[</span><span class="DecNumber">3</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span></pre>
    644. 

  644.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L469" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    645. 

  645. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L469" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    646. 

  646. 

  647.   </dd>
    648. 

  648. </div>
    649. 

  649. 

  650. </div>
    651. 

  651. <div id="isNil-procs-all">
    652. 

  652.   <div id="isNil,PackedSet[A]">
    653. 

  653.   <dt><pre><span class="Keyword">proc</span> <a href="#isNil%2CPackedSet%5BA%5D"><span class="Identifier">isNil</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">x</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="system.html#bool"><span class="Identifier">bool</span></a> {.<span class="Identifier">inline</span>.}</pre></dt>
    654. 

  654.   <dd>
    655. 

  655.     
    656. 

  656.     Returns true if <tt class="docutils literal"><span class="pre"><span class="Identifier">x</span></span></tt> is empty, false otherwise.
    657. 

  657. <p><strong class="examples_text">Example:</strong></p>
    658. 

  658. <pre class="listing"><span class="Keyword">var</span> <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Identifier">initPackedSet</span><span class="Punctuation">[</span><span class="Identifier">int</span><span class="Punctuation">]</span><span class="Punctuation">(</span><span class="Punctuation">)</span>
    659. 

  659. <span class="Identifier">assert</span> <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">isNil</span>
    660. 

  660. <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">incl</span><span class="Punctuation">(</span><span class="DecNumber">2</span><span class="Punctuation">)</span>
    661. 

  661. <span class="Identifier">assert</span> <span class="Keyword">not</span> <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">isNil</span>
    662. 

  662. <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">excl</span><span class="Punctuation">(</span><span class="DecNumber">2</span><span class="Punctuation">)</span>
    663. 

  663. <span class="Identifier">assert</span> <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">isNil</span></pre>
    664. 

  664.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L398" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    665. 

  665. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L398" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    666. 

  666. 

  667.   </dd>
    668. 

  668. </div>
    669. 

  669. 

  670. </div>
    671. 

  671. <div id="len-procs-all">
    672. 

  672.   <div id="len,PackedSet[A]">
    673. 

  673.   <dt><pre><span class="Keyword">proc</span> <a href="#len%2CPackedSet%5BA%5D"><span class="Identifier">len</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="system.html#int"><span class="Identifier">int</span></a> {.<span class="Identifier">inline</span>.}</pre></dt>
    674. 

  674.   <dd>
    675. 

  675.     
    676. 

  676.     Returns the number of elements in <tt class="docutils literal"><span class="pre"><span class="Identifier">s</span></span></tt>.
    677. 

  677. <p><strong class="examples_text">Example:</strong></p>
    678. 

  678. <pre class="listing"><span class="Keyword">let</span> <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">3</span><span class="Punctuation">,</span> <span class="DecNumber">5</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    679. 

  679. <span class="Identifier">assert</span> <span class="Identifier">len</span><span class="Punctuation">(</span><span class="Identifier">a</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="DecNumber">3</span></pre>
    680. 

  680.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L347" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    681. 

  681. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L347" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    682. 

  682. 

  683.   </dd>
    684. 

  684. </div>
    685. 

  685. 

  686. </div>
    687. 

  687. <div id="missingOrExcl-procs-all">
    688. 

  688.   <div id="missingOrExcl,PackedSet[A],A">
    689. 

  689.   <dt><pre><span class="Keyword">proc</span> <a href="#missingOrExcl%2CPackedSet%5BA%5D%2CA"><span class="Identifier">missingOrExcl</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">;</span> <span class="Identifier">key</span><span class="Other">:</span> <span class="Identifier">A</span><span class="Other">)</span><span class="Other">:</span> <a href="system.html#bool"><span class="Identifier">bool</span></a></pre></dt>
    690. 

  690.   <dd>
    691. 

  691.     
    692. 

  692.     <p>Excludes <tt class="docutils literal"><span class="pre"><span class="Identifier">key</span></span></tt> from the set <tt class="docutils literal"><span class="pre"><span class="Identifier">s</span></span></tt> and tells if <tt class="docutils literal"><span class="pre"><span class="Identifier">key</span></span></tt> was already missing from <tt class="docutils literal"><span class="pre"><span class="Identifier">s</span></span></tt>.</p>
    693. 

  693. <p>The difference with regards to the <a class="reference external" href="#excl,PackedSet[A],A">excl proc</a> is that this proc returns true if <tt class="docutils literal"><span class="pre"><span class="Identifier">key</span></span></tt> was missing from <tt class="docutils literal"><span class="pre"><span class="Identifier">s</span></span></tt>. The proc will return false if <tt class="docutils literal"><span class="pre"><span class="Identifier">key</span></span></tt> was in <tt class="docutils literal"><span class="pre"><span class="Identifier">s</span></span></tt> and it was removed during this call.</p>
    694. 

  694. <p><strong>See also:</strong></p>
    695. 

  695. <ul class="simple"><li><a class="reference external" href="#excl,PackedSet[A],A">excl proc</a> for excluding an element</li>
    696. 

  696. <li><a class="reference external" href="#excl,PackedSet[A],PackedSet[A]">excl proc</a> for excluding a set</li>
    697. 

  697. <li><a class="reference external" href="#containsOrIncl,PackedSet[A],A">containsOrIncl proc</a></li>
    698. 

  698. </ul>
    699. 

  699. 

  700. <p><strong class="examples_text">Example:</strong></p>
    701. 

  701. <pre class="listing"><span class="Keyword">var</span> <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">5</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    702. 

  702. <span class="Identifier">assert</span> <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">missingOrExcl</span><span class="Punctuation">(</span><span class="DecNumber">5</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="Identifier">false</span>
    703. 

  703. <span class="Identifier">assert</span> <span class="Identifier">a</span><span class="Operator">.</span><span class="Identifier">missingOrExcl</span><span class="Punctuation">(</span><span class="DecNumber">5</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="Identifier">true</span></pre>
    704. 

  704.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L361" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    705. 

  705. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L361" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    706. 

  706. 

  707.   </dd>
    708. 

  708. </div>
    709. 

  709. 

  710. </div>
    711. 

  711. <div id="symmetricDifference-procs-all">
    712. 

  712.   <div id="symmetricDifference,PackedSet[A],PackedSet[A]">
    713. 

  713.   <dt><pre><span class="Keyword">proc</span> <a href="#symmetricDifference%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D"><span class="Identifier">symmetricDifference</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s1</span><span class="Other">,</span> <span class="Identifier">s2</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span></pre></dt>
    714. 

  714.   <dd>
    715. 

  715.     
    716. 

  716.     Returns the symmetric difference of the sets <tt class="docutils literal"><span class="pre"><span class="Identifier">s1</span></span></tt> and <tt class="docutils literal"><span class="pre"><span class="Identifier">s2</span></span></tt>.
    717. 

  717. <p><strong class="examples_text">Example:</strong></p>
    718. 

  718. <pre class="listing"><span class="Keyword">let</span>
    719. 

  719.   <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">2</span><span class="Punctuation">,</span> <span class="DecNumber">3</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    720. 

  720.   <span class="Identifier">b</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">3</span><span class="Punctuation">,</span> <span class="DecNumber">4</span><span class="Punctuation">,</span> <span class="DecNumber">5</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    721. 

  721.   <span class="Identifier">c</span> <span class="Operator">=</span> <span class="Identifier">symmetricDifference</span><span class="Punctuation">(</span><span class="Identifier">a</span><span class="Punctuation">,</span> <span class="Identifier">b</span><span class="Punctuation">)</span>
    722. 

  722. <span class="Identifier">assert</span> <span class="Identifier">c</span><span class="Operator">.</span><span class="Identifier">len</span> <span class="Operator">==</span> <span class="DecNumber">4</span>
    723. 

  723. <span class="Identifier">assert</span> <span class="Identifier">c</span> <span class="Operator">==</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">2</span><span class="Punctuation">,</span> <span class="DecNumber">4</span><span class="Punctuation">,</span> <span class="DecNumber">5</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span></pre>
    724. 

  724.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L503" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    725. 

  725. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L503" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    726. 

  726. 

  727.   </dd>
    728. 

  728. </div>
    729. 

  729. 

  730. </div>
    731. 

  731. <div id="toPackedSet-procs-all">
    732. 

  732.   <div id="toPackedSet,openArray[A]">
    733. 

  733.   <dt><pre><span class="Keyword">proc</span> <a href="#toPackedSet%2CopenArray%5BA%5D"><span class="Identifier">toPackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">x</span><span class="Other">:</span> <a href="system.html#openArray"><span class="Identifier">openArray</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span></pre></dt>
    734. 

  734.   <dd>
    735. 

  735.     
    736. 

  736.     <p>Creates a new <tt class="docutils literal"><span class="pre"><span class="Identifier">PackedSet</span><span class="Punctuation">[</span><span class="Identifier">A</span><span class="Punctuation">]</span></span></tt> that contains the elements of <tt class="docutils literal"><span class="pre"><span class="Identifier">x</span></span></tt>.</p>
    737. 

  737. <p>Duplicates are removed.</p>
    738. 

  738. <p><strong>See also:</strong></p>
    739. 

  739. <ul class="simple"><li><a class="reference external" href="#initPackedSet">initPackedSet proc</a></li>
    740. 

  740. </ul>
    741. 

  741. 

  742. <p><strong class="examples_text">Example:</strong></p>
    743. 

  743. <pre class="listing"><span class="Keyword">let</span> <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">5</span><span class="Punctuation">,</span> <span class="DecNumber">6</span><span class="Punctuation">,</span> <span class="DecNumber">7</span><span class="Punctuation">,</span> <span class="DecNumber">8</span><span class="Punctuation">,</span> <span class="DecNumber">8</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    744. 

  744. <span class="Identifier">assert</span> <span class="Identifier">len</span><span class="Punctuation">(</span><span class="Identifier">a</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="DecNumber">4</span>
    745. 

  745. <span class="Identifier">assert</span> <span class="Operator">$</span><span class="Identifier">a</span> <span class="Operator">==</span> <span class="StringLit">&quot;{5, 6, 7, 8}&quot;</span></pre>
    746. 

  746.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L260" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    747. 

  747. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L260" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    748. 

  748. 

  749.   </dd>
    750. 

  750. </div>
    751. 

  751. 

  752. </div>
    753. 

  753. <div id="union-procs-all">
    754. 

  754.   <div id="union,PackedSet[A],PackedSet[A]">
    755. 

  755.   <dt><pre><span class="Keyword">proc</span> <a href="#union%2CPackedSet%5BA%5D%2CPackedSet%5BA%5D"><span class="Identifier">union</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s1</span><span class="Other">,</span> <span class="Identifier">s2</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span></pre></dt>
    756. 

  756.   <dd>
    757. 

  757.     
    758. 

  758.     <p>Returns the union of the sets <tt class="docutils literal"><span class="pre"><span class="Identifier">s1</span></span></tt> and <tt class="docutils literal"><span class="pre"><span class="Identifier">s2</span></span></tt>.</p>
    759. 

  759. <p>The same as <a class="reference external" href="#+,PackedSet[A],PackedSet[A]">s1 + s2</a>.</p>
    760. 

  760. 

  761. <p><strong class="examples_text">Example:</strong></p>
    762. 

  762. <pre class="listing"><span class="Keyword">let</span>
    763. 

  763.   <span class="Identifier">a</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">2</span><span class="Punctuation">,</span> <span class="DecNumber">3</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    764. 

  764.   <span class="Identifier">b</span> <span class="Operator">=</span> <span class="Punctuation">[</span><span class="DecNumber">3</span><span class="Punctuation">,</span> <span class="DecNumber">4</span><span class="Punctuation">,</span> <span class="DecNumber">5</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span>
    765. 

  765.   <span class="Identifier">c</span> <span class="Operator">=</span> <span class="Identifier">union</span><span class="Punctuation">(</span><span class="Identifier">a</span><span class="Punctuation">,</span> <span class="Identifier">b</span><span class="Punctuation">)</span>
    766. 

  766. <span class="Identifier">assert</span> <span class="Identifier">c</span><span class="Operator">.</span><span class="Identifier">len</span> <span class="Operator">==</span> <span class="DecNumber">5</span>
    767. 

  767. <span class="Identifier">assert</span> <span class="Identifier">c</span> <span class="Operator">==</span> <span class="Punctuation">[</span><span class="DecNumber">1</span><span class="Punctuation">,</span> <span class="DecNumber">2</span><span class="Punctuation">,</span> <span class="DecNumber">3</span><span class="Punctuation">,</span> <span class="DecNumber">4</span><span class="Punctuation">,</span> <span class="DecNumber">5</span><span class="Punctuation">]</span><span class="Operator">.</span><span class="Identifier">toPackedSet</span></pre>
    768. 

  768.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L454" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    769. 

  769. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L454" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    770. 

  770. 

  771.   </dd>
    772. 

  772. </div>
    773. 

  773. 

  774. </div>
    775. 

  775. 

  776.   </dl>
    777. 

  777. </div>
    778. 

  778. <div class="section" id="15">
    779. 

  779.   <h1><a class="toc-backref" href="#15">Iterators</a></h1>
    780. 

  780.   <dl class="item">
    781. 

  781.     <div id="items-iterators-all">
    782. 

  782.   <div id="items.i,PackedSet[A]">
    783. 

  783.   <dt><pre><span class="Keyword">iterator</span> <a href="#items.i%2CPackedSet%5BA%5D"><span class="Identifier">items</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">s</span><span class="Other">:</span> <a href="packedsets.html#PackedSet"><span class="Identifier">PackedSet</span></a><span class="Other">[</span><span class="Identifier">A</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">A</span> {.<span class="Identifier">inline</span>.}</pre></dt>
    784. 

  784.   <dd>
    785. 

  785.     
    786. 

  786.     Iterates over any included element of <tt class="docutils literal"><span class="pre"><span class="Identifier">s</span></span></tt>.
    787. 

  787.     <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/packedsets.nim#L138" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
    788. 

  788. <a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/packedsets.nim#L138" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
    789. 

  789. 

  790.   </dd>
    791. 

  791. </div>
    792. 

  792. 

  793. </div>
    794. 

  794. 

  795.   </dl>
    796. 

  796. </div>
    797. 

  797. 

  798.   </div>
    799. 

  799. </div>
    800. 

  800. 

  801.       <div class="twelve-columns footer">
    802. 

  802.         <span class="nim-sprite"></span>
    803. 

  803.         <br>
    804. 

  804.         <small style="color: var(--hint);">Made with Nim. Generated: 2025-02-03 14:57:22 UTC</small>
    805. 

  805.       </div>
    806. 

  806.     </div>
    807. 

  807.   </div>
    808. 

  808.       <script defer data-domain="nim-lang.org" src="https://plausible.io/js/plausible.js"></script>
    809. 

  809.     
    810. 

  810. </body>
    811. 

  811. </html>
    812. 

  812.