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      <h1 class="title">std/strtabs</h1>
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  <li>
  <a class="reference reference-toplevel" href="#6" id="56">Imports</a>
</li>
<li>
  <details open>
    <summary><a class="reference reference-toplevel" href="#7" id="57">Types</a></summary>
    <ul class="simple simple-toc-section">
      <li><a class="reference" href="#FormatFlag" title="FormatFlag = enum
  useEnvironment,           ## Use environment variable if the ``$key``
                             ## is not found in the table.
                             ## Does nothing when using `js` target.
  useEmpty,                 ## Use the empty string as a default, thus it
                             ## won't throw an exception if ``$key`` is not
                             ## in the table.
  useKey                     ## Do not replace ``$key`` if it is not found
                             ## in the table (or in the environment).">FormatFlag</a></li>
<li><a class="reference" href="#StringTableMode" title="StringTableMode = enum
  modeCaseSensitive,        ## the table is case sensitive
  modeCaseInsensitive,      ## the table is case insensitive
  modeStyleInsensitive       ## the table is style insensitive">StringTableMode</a></li>
<li><a class="reference" href="#StringTableObj" title="StringTableObj = object of RootObj">StringTableObj</a></li>
<li><a class="reference" href="#StringTableRef" title="StringTableRef = ref StringTableObj">StringTableRef</a></li>

    </ul>
  </details>
</li>
<li>
  <details open>
    <summary><a class="reference reference-toplevel" href="#12" id="62">Procs</a></summary>
    <ul class="simple simple-toc-section">
      <ul class="simple nested-toc-section">$
  <li><a class="reference" href="#%24%2CStringTableRef" title="`$`(t: StringTableRef): string">`$`(t: StringTableRef): string</a></li>

</ul>
<ul class="simple nested-toc-section">%
  <li><a class="reference" href="#%25%2Cstring%2CStringTableRef%2Cset%5BFormatFlag%5D" title="`%`(f: string; t: StringTableRef; flags: set[FormatFlag] = {}): string">`%`(f: string; t: StringTableRef; flags: set[FormatFlag] = {}): string</a></li>

</ul>
<ul class="simple nested-toc-section">[]
  <li><a class="reference" href="#%5B%5D%2CStringTableRef%2Cstring" title="`[]`(t: StringTableRef; key: string): var string">`[]`(t: StringTableRef; key: string): var string</a></li>

</ul>
<ul class="simple nested-toc-section">[]=
  <li><a class="reference" href="#%5B%5D%3D%2CStringTableRef%2Cstring%2Cstring" title="`[]=`(t: StringTableRef; key, val: string)">`[]=`(t: StringTableRef; key, val: string)</a></li>

</ul>
<ul class="simple nested-toc-section">clear
  <li><a class="reference" href="#clear%2CStringTableRef" title="clear(s: StringTableRef)">clear(s: StringTableRef)</a></li>
<li><a class="reference" href="#clear%2CStringTableRef%2CStringTableMode" title="clear(s: StringTableRef; mode: StringTableMode)">clear(s: StringTableRef; mode: StringTableMode)</a></li>

</ul>
<ul class="simple nested-toc-section">contains
  <li><a class="reference" href="#contains%2CStringTableRef%2Cstring" title="contains(t: StringTableRef; key: string): bool">contains(t: StringTableRef; key: string): bool</a></li>

</ul>
<ul class="simple nested-toc-section">del
  <li><a class="reference" href="#del%2CStringTableRef%2Cstring" title="del(t: StringTableRef; key: string)">del(t: StringTableRef; key: string)</a></li>

</ul>
<ul class="simple nested-toc-section">getOrDefault
  <li><a class="reference" href="#getOrDefault%2CStringTableRef%2Cstring%2Cstring" title="getOrDefault(t: StringTableRef; key: string; default: string = &quot;&quot;): string">getOrDefault(t: StringTableRef; key: string; default: string = &quot;&quot;): string</a></li>

</ul>
<ul class="simple nested-toc-section">hasKey
  <li><a class="reference" href="#hasKey%2CStringTableRef%2Cstring" title="hasKey(t: StringTableRef; key: string): bool">hasKey(t: StringTableRef; key: string): bool</a></li>

</ul>
<ul class="simple nested-toc-section">len
  <li><a class="reference" href="#len%2CStringTableRef" title="len(t: StringTableRef): int">len(t: StringTableRef): int</a></li>

</ul>
<ul class="simple nested-toc-section">mode
  <li><a class="reference" href="#mode%2CStringTableRef" title="mode(t: StringTableRef): StringTableMode">mode(t: StringTableRef): StringTableMode</a></li>

</ul>
<ul class="simple nested-toc-section">newStringTable
  <li><a class="reference" href="#newStringTable%2Cvarargs%5Bstring%5D%2CStringTableMode" title="newStringTable(keyValuePairs: varargs[string]; mode: StringTableMode): owned(
    StringTableRef)">newStringTable(keyValuePairs: varargs[string]; mode: StringTableMode): owned(
    StringTableRef)</a></li>
<li><a class="reference" href="#newStringTable%2Cvarargs%5Btuple%5Bstring%2Cstring%5D%5D%2CStringTableMode" title="newStringTable(keyValuePairs: varargs[tuple[key, val: string]];
               mode: StringTableMode = modeCaseSensitive): owned(StringTableRef)">newStringTable(keyValuePairs: varargs[tuple[key, val: string]];
               mode: StringTableMode = modeCaseSensitive): owned(StringTableRef)</a></li>
<li><a class="reference" href="#newStringTable%2CStringTableMode" title="newStringTable(mode: StringTableMode): owned(StringTableRef)">newStringTable(mode: StringTableMode): owned(StringTableRef)</a></li>

</ul>

    </ul>
  </details>
</li>
<li>
  <details open>
    <summary><a class="reference reference-toplevel" href="#15" id="65">Iterators</a></summary>
    <ul class="simple simple-toc-section">
      <ul class="simple nested-toc-section">keys
  <li><a class="reference" href="#keys.i%2CStringTableRef" title="keys(t: StringTableRef): string">keys(t: StringTableRef): string</a></li>

</ul>
<ul class="simple nested-toc-section">pairs
  <li><a class="reference" href="#pairs.i%2CStringTableRef" title="pairs(t: StringTableRef): tuple[key, value: string]">pairs(t: StringTableRef): tuple[key, value: string]</a></li>

</ul>
<ul class="simple nested-toc-section">values
  <li><a class="reference" href="#values.i%2CStringTableRef" title="values(t: StringTableRef): string">values(t: StringTableRef): string</a></li>

</ul>

    </ul>
  </details>
</li>

</ul>

  </div>
  <div class="nine columns" id="content">
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L1" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L1" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

    <div id="tocRoot"></div>
    
    <p class="module-desc">The <tt class="docutils literal"><span class="pre">strtabs</span></tt> module implements an efficient hash table that is a mapping from strings to strings. Supports a case-sensitive, case-insensitive and style-insensitive mode.
<p><strong class="examples_text">Example:</strong></p>
<pre class="listing"><span class="Keyword">import</span> <span class="Identifier">std</span><span class="Operator">/</span><span class="Identifier">strtabs</span>
<span class="Keyword">var</span> <span class="Identifier">t</span> <span class="Operator">=</span> <span class="Identifier">newStringTable</span><span class="Punctuation">(</span><span class="Punctuation">)</span>
<span class="Identifier">t</span><span class="Punctuation">[</span><span class="StringLit">&quot;name&quot;</span><span class="Punctuation">]</span> <span class="Operator">=</span> <span class="StringLit">&quot;John&quot;</span>
<span class="Identifier">t</span><span class="Punctuation">[</span><span class="StringLit">&quot;city&quot;</span><span class="Punctuation">]</span> <span class="Operator">=</span> <span class="StringLit">&quot;Monaco&quot;</span>
<span class="Identifier">doAssert</span> <span class="Identifier">t</span><span class="Operator">.</span><span class="Identifier">len</span> <span class="Operator">==</span> <span class="DecNumber">2</span>
<span class="Identifier">doAssert</span> <span class="Identifier">t</span><span class="Operator">.</span><span class="Identifier">hasKey</span> <span class="StringLit">&quot;name&quot;</span>
<span class="Identifier">doAssert</span> <span class="StringLit">&quot;name&quot;</span> <span class="Keyword">in</span> <span class="Identifier">t</span></pre>String tables can be created from a table constructor:
<p><strong class="examples_text">Example:</strong></p>
<pre class="listing"><span class="Keyword">import</span> <span class="Identifier">std</span><span class="Operator">/</span><span class="Identifier">strtabs</span>
<span class="Keyword">var</span> <span class="Identifier">t</span> <span class="Operator">=</span> <span class="Punctuation">{</span><span class="StringLit">&quot;name&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;John&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;city&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;Monaco&quot;</span><span class="Punctuation">}</span><span class="Operator">.</span><span class="Identifier">newStringTable</span></pre>When using the style insensitive mode (<tt class="docutils literal"><span class="pre">modeStyleInsensitive</span></tt>), all letters are compared case insensitively within the ASCII range and underscores are ignored.
<p><strong class="examples_text">Example:</strong></p>
<pre class="listing"><span class="Keyword">import</span> <span class="Identifier">std</span><span class="Operator">/</span><span class="Identifier">strtabs</span>
<span class="Keyword">var</span> <span class="Identifier">x</span> <span class="Operator">=</span> <span class="Identifier">newStringTable</span><span class="Punctuation">(</span><span class="Identifier">modeStyleInsensitive</span><span class="Punctuation">)</span>
<span class="Identifier">x</span><span class="Punctuation">[</span><span class="StringLit">&quot;first_name&quot;</span><span class="Punctuation">]</span> <span class="Operator">=</span> <span class="StringLit">&quot;John&quot;</span>
<span class="Identifier">x</span><span class="Punctuation">[</span><span class="StringLit">&quot;LastName&quot;</span><span class="Punctuation">]</span> <span class="Operator">=</span> <span class="StringLit">&quot;Doe&quot;</span>

<span class="Identifier">doAssert</span> <span class="Identifier">x</span><span class="Punctuation">[</span><span class="StringLit">&quot;firstName&quot;</span><span class="Punctuation">]</span> <span class="Operator">==</span> <span class="StringLit">&quot;John&quot;</span>
<span class="Identifier">doAssert</span> <span class="Identifier">x</span><span class="Punctuation">[</span><span class="StringLit">&quot;last_name&quot;</span><span class="Punctuation">]</span> <span class="Operator">==</span> <span class="StringLit">&quot;Doe&quot;</span></pre>An efficient string substitution operator <a class="reference external" href="#%25,string,StringTableRef,set[FormatFlag]">%</a> for the string table is also provided.
<p><strong class="examples_text">Example:</strong></p>
<pre class="listing"><span class="Keyword">import</span> <span class="Identifier">std</span><span class="Operator">/</span><span class="Identifier">strtabs</span>
<span class="Keyword">var</span> <span class="Identifier">t</span> <span class="Operator">=</span> <span class="Punctuation">{</span><span class="StringLit">&quot;name&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;John&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;city&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;Monaco&quot;</span><span class="Punctuation">}</span><span class="Operator">.</span><span class="Identifier">newStringTable</span>
<span class="Identifier">doAssert</span> <span class="StringLit">&quot;${name} lives in ${city}&quot;</span> <span class="Operator">%</span> <span class="Identifier">t</span> <span class="Operator">==</span> <span class="StringLit">&quot;John lives in Monaco&quot;</span></pre><strong>See also:</strong><ul class="simple"><li><a class="reference external" href="tables.html">tables module</a> for general hash tables</li>
<li><a class="reference external" href="sharedtables.html">sharedtables module</a> for shared hash table support</li>
<li><a class="reference external" href="strutils.html">strutils module</a> for common string functions</li>
<li><a class="reference external" href="json.html">json module</a> for table-like structure which allows heterogeneous members</li>
</ul>
</p>
    <div class="section" id="6">
  <h1><a class="toc-backref" href="#6">Imports</a></h1>
  <dl class="item">
    <a class="reference external" href="since.html">since</a>, <a class="reference external" href="hashes.html">hashes</a>, <a class="reference external" href="strutils.html">strutils</a>, <a class="reference external" href="assertions.html">assertions</a>, <a class="reference external" href="envvars.html">envvars</a>
  </dl>
</div>
<div class="section" id="7">
  <h1><a class="toc-backref" href="#7">Types</a></h1>
  <dl class="item">
    <div id="FormatFlag">
  <dt><pre><a href="strtabs.html#FormatFlag"><span class="Identifier">FormatFlag</span></a> <span class="Other">=</span> <span class="Keyword">enum</span>
  <span class="Identifier">useEnvironment</span><span class="Other">,</span>           <span class="Comment">## Use environment variable if the ``$key``</span>
                             <span class="Comment">## is not found in the table.</span>
                             <span class="Comment">## Does nothing when using `js` target.</span>
  <span class="Identifier">useEmpty</span><span class="Other">,</span>                 <span class="Comment">## Use the empty string as a default, thus it</span>
                             <span class="Comment">## won't throw an exception if ``$key`` is not</span>
                             <span class="Comment">## in the table.</span>
  <span class="Identifier">useKey</span>                     <span class="Comment">## Do not replace ``$key`` if it is not found</span>
                             <span class="Comment">## in the table (or in the environment).</span></pre></dt>
  <dd>
    
    Flags for the <tt class="docutils literal"><span class="pre"><span class="Operator">%</span></span></tt> operator.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L82" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L82" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="StringTableMode">
  <dt><pre><a href="strtabs.html#StringTableMode"><span class="Identifier">StringTableMode</span></a> <span class="Other">=</span> <span class="Keyword">enum</span>
  <span class="Identifier">modeCaseSensitive</span><span class="Other">,</span>        <span class="Comment">## the table is case sensitive</span>
  <span class="Identifier">modeCaseInsensitive</span><span class="Other">,</span>      <span class="Comment">## the table is case insensitive</span>
  <span class="Identifier">modeStyleInsensitive</span>       <span class="Comment">## the table is style insensitive</span></pre></dt>
  <dd>
    
    Describes the tables operation mode.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L69" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L69" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="StringTableObj">
  <dt><pre><a href="strtabs.html#StringTableObj"><span class="Identifier">StringTableObj</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#RootObj"><span class="Identifier">RootObj</span></a></pre></dt>
  <dd>
    
    
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L75" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L75" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="StringTableRef">
  <dt><pre><a href="strtabs.html#StringTableRef"><span class="Identifier">StringTableRef</span></a> <span class="Other">=</span> <span class="Keyword">ref</span> <a href="strtabs.html#StringTableObj"><span class="Identifier">StringTableObj</span></a></pre></dt>
  <dd>
    
    
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L80" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L80" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>

  </dl>
</div>
<div class="section" id="12">
  <h1><a class="toc-backref" href="#12">Procs</a></h1>
  <dl class="item">
    <div id="$-procs-all">
  <div id="$,StringTableRef">
  <dt><pre><span class="Keyword">proc</span> <a href="#%24%2CStringTableRef"><span class="Identifier">`$`</span></a><span class="Other">(</span><span class="Identifier">t</span><span class="Other">:</span> <a href="strtabs.html#StringTableRef"><span class="Identifier">StringTableRef</span></a><span class="Other">)</span><span class="Other">:</span> <a href="system.html#string"><span class="Identifier">string</span></a> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">gcsafe</span><span class="Other">,</span> <span class="Identifier">extern</span><span class="Other">:</span> <span class="StringLit">&quot;nstDollar&quot;</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span>
                                      <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    The <tt class="docutils literal"><span class="pre"><span class="Operator">$</span></span></tt> operator for string tables. Used internally when calling <tt class="docutils literal"><span class="pre"><span class="Identifier">echo</span></span></tt> on a table.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L376" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L376" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>

</div>
<div id="%-procs-all">
  <div id="%,string,StringTableRef,set[FormatFlag]">
  <dt><pre><span class="Keyword">proc</span> <a href="#%25%2Cstring%2CStringTableRef%2Cset%5BFormatFlag%5D"><span class="Identifier">`%`</span></a><span class="Other">(</span><span class="Identifier">f</span><span class="Other">:</span> <a href="system.html#string"><span class="Identifier">string</span></a><span class="Other">;</span> <span class="Identifier">t</span><span class="Other">:</span> <a href="strtabs.html#StringTableRef"><span class="Identifier">StringTableRef</span></a><span class="Other">;</span> <span class="Identifier">flags</span><span class="Other">:</span> <a href="system.html#set"><span class="Identifier">set</span></a><span class="Other">[</span><a href="strtabs.html#FormatFlag"><span class="Identifier">FormatFlag</span></a><span class="Other">]</span> <span class="Other">=</span> <span class="Other">{</span><span class="Other">}</span><span class="Other">)</span><span class="Other">:</span> <a href="system.html#string"><span class="Identifier">string</span></a> {.
    <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">gcsafe</span><span class="Other">,</span> <span class="Identifier">extern</span><span class="Other">:</span> <span class="StringLit">&quot;nstFormat&quot;</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Identifier">ValueError</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Identifier">ReadEnvEffect</span><span class="Other">]</span><span class="Other">,</span>
    <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    The <tt class="docutils literal"><span class="pre"><span class="Operator">%</span></span></tt> operator for string tables.
<p><strong class="examples_text">Example:</strong></p>
<pre class="listing"><span class="Keyword">var</span> <span class="Identifier">t</span> <span class="Operator">=</span> <span class="Punctuation">{</span><span class="StringLit">&quot;name&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;John&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;city&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;Monaco&quot;</span><span class="Punctuation">}</span><span class="Operator">.</span><span class="Identifier">newStringTable</span>
<span class="Identifier">doAssert</span> <span class="StringLit">&quot;${name} lives in ${city}&quot;</span> <span class="Operator">%</span> <span class="Identifier">t</span> <span class="Operator">==</span> <span class="StringLit">&quot;John lives in Monaco&quot;</span></pre>
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L390" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L390" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>

</div>
<div id="[]-procs-all">
  <div id="[],StringTableRef,string">
  <dt><pre><span class="Keyword">proc</span> <a href="#%5B%5D%2CStringTableRef%2Cstring"><span class="Identifier">`[]`</span></a><span class="Other">(</span><span class="Identifier">t</span><span class="Other">:</span> <a href="strtabs.html#StringTableRef"><span class="Identifier">StringTableRef</span></a><span class="Other">;</span> <span class="Identifier">key</span><span class="Other">:</span> <a href="system.html#string"><span class="Identifier">string</span></a><span class="Other">)</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="system.html#string"><span class="Identifier">string</span></a> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">gcsafe</span><span class="Other">,</span>
    <span class="Identifier">extern</span><span class="Other">:</span> <span class="StringLit">&quot;nstTake&quot;</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Identifier">KeyError</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    <p>Retrieves the location at <tt class="docutils literal"><span class="pre">t[key]</span></tt>.</p>
<p>If <tt class="docutils literal"><span class="pre"><span class="Identifier">key</span></span></tt> is not in <tt class="docutils literal"><span class="pre"><span class="Identifier">t</span></span></tt>, the <tt class="docutils literal"><span class="pre">KeyError</span></tt> exception is raised. One can check with <a class="reference external" href="#hasKey,StringTableRef,string">hasKey proc</a> whether the key exists.</p>
<p>See also:</p>
<ul class="simple"><li><a class="reference external" href="#getOrDefault,StringTableRef,string,string">getOrDefault proc</a></li>
<li><a class="reference external" href="#[]=,StringTableRef,string,string">[]= proc</a> for inserting a new (key, value) pair in the table</li>
<li><a class="reference external" href="#hasKey,StringTableRef,string">hasKey proc</a> for checking if a key is in the table</li>
</ul>

<p><strong class="examples_text">Example:</strong></p>
<pre class="listing"><span class="Keyword">var</span> <span class="Identifier">t</span> <span class="Operator">=</span> <span class="Punctuation">{</span><span class="StringLit">&quot;name&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;John&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;city&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;Monaco&quot;</span><span class="Punctuation">}</span><span class="Operator">.</span><span class="Identifier">newStringTable</span>
<span class="Identifier">doAssert</span> <span class="Identifier">t</span><span class="Punctuation">[</span><span class="StringLit">&quot;name&quot;</span><span class="Punctuation">]</span> <span class="Operator">==</span> <span class="StringLit">&quot;John&quot;</span>
<span class="Identifier">doAssertRaises</span><span class="Punctuation">(</span><span class="Identifier">KeyError</span><span class="Punctuation">)</span><span class="Punctuation">:</span>
  <span class="Identifier">echo</span> <span class="Identifier">t</span><span class="Punctuation">[</span><span class="StringLit">&quot;occupation&quot;</span><span class="Punctuation">]</span></pre>
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L155" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L155" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>

</div>
<div id="[]=-procs-all">
  <div id="[]=,StringTableRef,string,string">
  <dt><pre><span class="Keyword">proc</span> <a href="#%5B%5D%3D%2CStringTableRef%2Cstring%2Cstring"><span class="Identifier">`[]=`</span></a><span class="Other">(</span><span class="Identifier">t</span><span class="Other">:</span> <a href="strtabs.html#StringTableRef"><span class="Identifier">StringTableRef</span></a><span class="Other">;</span> <span class="Identifier">key</span><span class="Other">,</span> <span class="Identifier">val</span><span class="Other">:</span> <a href="system.html#string"><span class="Identifier">string</span></a><span class="Other">)</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">gcsafe</span><span class="Other">,</span> <span class="Identifier">extern</span><span class="Other">:</span> <span class="StringLit">&quot;nstPut&quot;</span><span class="Other">,</span>
    <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    <p>Inserts a <tt class="docutils literal"><span class="pre"><span class="Punctuation">(</span><span class="Identifier">key</span><span class="Punctuation">,</span> <span class="Identifier">value</span><span class="Punctuation">)</span></span></tt> pair into <tt class="docutils literal"><span class="pre"><span class="Identifier">t</span></span></tt>.</p>
<p>See also:</p>
<ul class="simple"><li><a class="reference external" href="#[],StringTableRef,string">[] proc</a> for retrieving a value of a key</li>
<li><a class="reference external" href="#del,StringTableRef,string">del proc</a> for removing a key from the table</li>
</ul>

<p><strong class="examples_text">Example:</strong></p>
<pre class="listing"><span class="Keyword">var</span> <span class="Identifier">t</span> <span class="Operator">=</span> <span class="Punctuation">{</span><span class="StringLit">&quot;name&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;John&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;city&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;Monaco&quot;</span><span class="Punctuation">}</span><span class="Operator">.</span><span class="Identifier">newStringTable</span>
<span class="Identifier">t</span><span class="Punctuation">[</span><span class="StringLit">&quot;occupation&quot;</span><span class="Punctuation">]</span> <span class="Operator">=</span> <span class="StringLit">&quot;teacher&quot;</span>
<span class="Identifier">doAssert</span> <span class="Identifier">t</span><span class="Operator">.</span><span class="Identifier">hasKey</span><span class="Punctuation">(</span><span class="StringLit">&quot;occupation&quot;</span><span class="Punctuation">)</span></pre>
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L237" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L237" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>

</div>
<div id="clear-procs-all">
  <div id="clear,StringTableRef">
  <dt><pre><span class="Keyword">proc</span> <a href="#clear%2CStringTableRef"><span class="Identifier">clear</span></a><span class="Other">(</span><span class="Identifier">s</span><span class="Other">:</span> <a href="strtabs.html#StringTableRef"><span class="Identifier">StringTableRef</span></a><span class="Other">)</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    Resets a string table to be empty again without changing the mode.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L331" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L331" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="clear,StringTableRef,StringTableMode">
  <dt><pre><span class="Keyword">proc</span> <a href="#clear%2CStringTableRef%2CStringTableMode"><span class="Identifier">clear</span></a><span class="Other">(</span><span class="Identifier">s</span><span class="Other">:</span> <a href="strtabs.html#StringTableRef"><span class="Identifier">StringTableRef</span></a><span class="Other">;</span> <span class="Identifier">mode</span><span class="Other">:</span> <a href="strtabs.html#StringTableMode"><span class="Identifier">StringTableMode</span></a><span class="Other">)</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">gcsafe</span><span class="Other">,</span> <span class="Identifier">extern</span><span class="Other">:</span> <span class="StringLit">&quot;nst$1&quot;</span><span class="Other">,</span>
    <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    <p>Resets a string table to be empty again, perhaps altering the mode.</p>
<p>See also:</p>
<ul class="simple"><li><a class="reference external" href="#del,StringTableRef,string">del proc</a> for removing a key from the table</li>
</ul>

<p><strong class="examples_text">Example:</strong></p>
<pre class="listing"><span class="Keyword">var</span> <span class="Identifier">t</span> <span class="Operator">=</span> <span class="Punctuation">{</span><span class="StringLit">&quot;name&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;John&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;city&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;Monaco&quot;</span><span class="Punctuation">}</span><span class="Operator">.</span><span class="Identifier">newStringTable</span>
<span class="Identifier">clear</span><span class="Punctuation">(</span><span class="Identifier">t</span><span class="Punctuation">,</span> <span class="Identifier">modeCaseSensitive</span><span class="Punctuation">)</span>
<span class="Identifier">doAssert</span> <span class="Identifier">len</span><span class="Punctuation">(</span><span class="Identifier">t</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="DecNumber">0</span>
<span class="Identifier">doAssert</span> <span class="StringLit">&quot;name&quot;</span> <span class="Keyword">notin</span> <span class="Identifier">t</span>
<span class="Identifier">doAssert</span> <span class="StringLit">&quot;city&quot;</span> <span class="Keyword">notin</span> <span class="Identifier">t</span></pre>
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L313" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L313" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>

</div>
<div id="contains-procs-all">
  <div id="contains,StringTableRef,string">
  <dt><pre><span class="Keyword">proc</span> <a href="#contains%2CStringTableRef%2Cstring"><span class="Identifier">contains</span></a><span class="Other">(</span><span class="Identifier">t</span><span class="Other">:</span> <a href="strtabs.html#StringTableRef"><span class="Identifier">StringTableRef</span></a><span class="Other">;</span> <span class="Identifier">key</span><span class="Other">:</span> <a href="system.html#string"><span class="Identifier">string</span></a><span class="Other">)</span><span class="Other">:</span> <a href="system.html#bool"><span class="Identifier">bool</span></a> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span>
    <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    Alias of <a class="reference external" href="#hasKey,StringTableRef,string">hasKey proc</a> for use with the <tt class="docutils literal"><span class="pre"><span class="Keyword">in</span></span></tt> operator.
<p><strong class="examples_text">Example:</strong></p>
<pre class="listing"><span class="Keyword">var</span> <span class="Identifier">t</span> <span class="Operator">=</span> <span class="Punctuation">{</span><span class="StringLit">&quot;name&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;John&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;city&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;Monaco&quot;</span><span class="Punctuation">}</span><span class="Operator">.</span><span class="Identifier">newStringTable</span>
<span class="Identifier">doAssert</span> <span class="StringLit">&quot;name&quot;</span> <span class="Keyword">in</span> <span class="Identifier">t</span>
<span class="Identifier">doAssert</span> <span class="StringLit">&quot;occupation&quot;</span> <span class="Keyword">notin</span> <span class="Identifier">t</span></pre>
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L213" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L213" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>

</div>
<div id="del-procs-all">
  <div id="del,StringTableRef,string">
  <dt><pre><span class="Keyword">proc</span> <a href="#del%2CStringTableRef%2Cstring"><span class="Identifier">del</span></a><span class="Other">(</span><span class="Identifier">t</span><span class="Other">:</span> <a href="strtabs.html#StringTableRef"><span class="Identifier">StringTableRef</span></a><span class="Other">;</span> <span class="Identifier">key</span><span class="Other">:</span> <a href="system.html#string"><span class="Identifier">string</span></a><span class="Other">)</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    <p>Removes <tt class="docutils literal"><span class="pre"><span class="Identifier">key</span></span></tt> from <tt class="docutils literal"><span class="pre"><span class="Identifier">t</span></span></tt>.</p>
<p>See also:</p>
<ul class="simple"><li><a class="reference external" href="#clear,StringTableRef,StringTableMode">clear proc</a> for resetting a table to be empty</li>
<li><a class="reference external" href="#[]=,StringTableRef,string,string">[]= proc</a> for inserting a new (key, value) pair in the table</li>
</ul>

<p><strong class="examples_text">Example:</strong></p>
<pre class="listing"><span class="Keyword">var</span> <span class="Identifier">t</span> <span class="Operator">=</span> <span class="Punctuation">{</span><span class="StringLit">&quot;name&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;John&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;city&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;Monaco&quot;</span><span class="Punctuation">}</span><span class="Operator">.</span><span class="Identifier">newStringTable</span>
<span class="Identifier">t</span><span class="Operator">.</span><span class="Identifier">del</span><span class="Punctuation">(</span><span class="StringLit">&quot;name&quot;</span><span class="Punctuation">)</span>
<span class="Identifier">doAssert</span> <span class="Identifier">len</span><span class="Punctuation">(</span><span class="Identifier">t</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="DecNumber">1</span>
<span class="Identifier">doAssert</span> <span class="StringLit">&quot;name&quot;</span> <span class="Keyword">notin</span> <span class="Identifier">t</span>
<span class="Identifier">doAssert</span> <span class="StringLit">&quot;city&quot;</span> <span class="Keyword">in</span> <span class="Identifier">t</span></pre>
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L335" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L335" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>

</div>
<div id="getOrDefault-procs-all">
  <div id="getOrDefault,StringTableRef,string,string">
  <dt><pre><span class="Keyword">proc</span> <a href="#getOrDefault%2CStringTableRef%2Cstring%2Cstring"><span class="Identifier">getOrDefault</span></a><span class="Other">(</span><span class="Identifier">t</span><span class="Other">:</span> <a href="strtabs.html#StringTableRef"><span class="Identifier">StringTableRef</span></a><span class="Other">;</span> <span class="Identifier">key</span><span class="Other">:</span> <a href="system.html#string"><span class="Identifier">string</span></a><span class="Other">;</span> <span class="Identifier">default</span><span class="Other">:</span> <a href="system.html#string"><span class="Identifier">string</span></a> <span class="Other">=</span> <span class="StringLit">&quot;&quot;</span><span class="Other">)</span><span class="Other">:</span> <a href="system.html#string"><span class="Identifier">string</span></a> {.
    <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    <p>Retrieves the location at <tt class="docutils literal"><span class="pre">t[key]</span></tt>.</p>
<p>If <tt class="docutils literal"><span class="pre"><span class="Identifier">key</span></span></tt> is not in <tt class="docutils literal"><span class="pre"><span class="Identifier">t</span></span></tt>, the default value is returned (if not specified, it is an empty string (<tt class="docutils literal"><span class="pre"><span class="StringLit">&quot;&quot;</span></span></tt>)).</p>
<p>See also:</p>
<ul class="simple"><li><a class="reference external" href="#[],StringTableRef,string">[] proc</a> for retrieving a value of a key</li>
<li><a class="reference external" href="#hasKey,StringTableRef,string">hasKey proc</a> for checking if a key is in the table</li>
<li><a class="reference external" href="#[]=,StringTableRef,string,string">[]= proc</a> for inserting a new (key, value) pair in the table</li>
</ul>

<p><strong class="examples_text">Example:</strong></p>
<pre class="listing"><span class="Keyword">var</span> <span class="Identifier">t</span> <span class="Operator">=</span> <span class="Punctuation">{</span><span class="StringLit">&quot;name&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;John&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;city&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;Monaco&quot;</span><span class="Punctuation">}</span><span class="Operator">.</span><span class="Identifier">newStringTable</span>
<span class="Identifier">doAssert</span> <span class="Identifier">t</span><span class="Operator">.</span><span class="Identifier">getOrDefault</span><span class="Punctuation">(</span><span class="StringLit">&quot;name&quot;</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="StringLit">&quot;John&quot;</span>
<span class="Identifier">doAssert</span> <span class="Identifier">t</span><span class="Operator">.</span><span class="Identifier">getOrDefault</span><span class="Punctuation">(</span><span class="StringLit">&quot;occupation&quot;</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="StringLit">&quot;&quot;</span>
<span class="Identifier">doAssert</span> <span class="Identifier">t</span><span class="Operator">.</span><span class="Identifier">getOrDefault</span><span class="Punctuation">(</span><span class="StringLit">&quot;occupation&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;teacher&quot;</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="StringLit">&quot;teacher&quot;</span>
<span class="Identifier">doAssert</span> <span class="Identifier">t</span><span class="Operator">.</span><span class="Identifier">getOrDefault</span><span class="Punctuation">(</span><span class="StringLit">&quot;name&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;Paul&quot;</span><span class="Punctuation">)</span> <span class="Operator">==</span> <span class="StringLit">&quot;John&quot;</span></pre>
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L176" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L176" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>

</div>
<div id="hasKey-procs-all">
  <div id="hasKey,StringTableRef,string">
  <dt><pre><span class="Keyword">proc</span> <a href="#hasKey%2CStringTableRef%2Cstring"><span class="Identifier">hasKey</span></a><span class="Other">(</span><span class="Identifier">t</span><span class="Other">:</span> <a href="strtabs.html#StringTableRef"><span class="Identifier">StringTableRef</span></a><span class="Other">;</span> <span class="Identifier">key</span><span class="Other">:</span> <a href="system.html#string"><span class="Identifier">string</span></a><span class="Other">)</span><span class="Other">:</span> <a href="system.html#bool"><span class="Identifier">bool</span></a> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">gcsafe</span><span class="Other">,</span> <span class="Identifier">extern</span><span class="Other">:</span> <span class="StringLit">&quot;nst$1&quot;</span><span class="Other">,</span>
    <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    <p>Returns true if <tt class="docutils literal"><span class="pre"><span class="Identifier">key</span></span></tt> is in the table <tt class="docutils literal"><span class="pre"><span class="Identifier">t</span></span></tt>.</p>
<p>See also:</p>
<ul class="simple"><li><a class="reference external" href="#getOrDefault,StringTableRef,string,string">getOrDefault proc</a></li>
<li><a class="reference external" href="#contains,StringTableRef,string">contains proc</a></li>
</ul>

<p><strong class="examples_text">Example:</strong></p>
<pre class="listing"><span class="Keyword">var</span> <span class="Identifier">t</span> <span class="Operator">=</span> <span class="Punctuation">{</span><span class="StringLit">&quot;name&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;John&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;city&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;Monaco&quot;</span><span class="Punctuation">}</span><span class="Operator">.</span><span class="Identifier">newStringTable</span>
<span class="Identifier">doAssert</span> <span class="Identifier">t</span><span class="Operator">.</span><span class="Identifier">hasKey</span><span class="Punctuation">(</span><span class="StringLit">&quot;name&quot;</span><span class="Punctuation">)</span>
<span class="Identifier">doAssert</span> <span class="Keyword">not</span> <span class="Identifier">t</span><span class="Operator">.</span><span class="Identifier">hasKey</span><span class="Punctuation">(</span><span class="StringLit">&quot;occupation&quot;</span><span class="Punctuation">)</span></pre>
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L200" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L200" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>

</div>
<div id="len-procs-all">
  <div id="len,StringTableRef">
  <dt><pre><span class="Keyword">proc</span> <a href="#len%2CStringTableRef"><span class="Identifier">len</span></a><span class="Other">(</span><span class="Identifier">t</span><span class="Other">:</span> <a href="strtabs.html#StringTableRef"><span class="Identifier">StringTableRef</span></a><span class="Other">)</span><span class="Other">:</span> <a href="system.html#int"><span class="Identifier">int</span></a> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">gcsafe</span><span class="Other">,</span> <span class="Identifier">extern</span><span class="Other">:</span> <span class="StringLit">&quot;nst$1&quot;</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span>
                                   <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    Returns the number of keys in <tt class="docutils literal"><span class="pre"><span class="Identifier">t</span></span></tt>.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L151" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L151" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>

</div>
<div id="mode-procs-all">
  <div id="mode,StringTableRef">
  <dt><pre><span class="Keyword">proc</span> <a href="#mode%2CStringTableRef"><span class="Identifier">mode</span></a><span class="Other">(</span><span class="Identifier">t</span><span class="Other">:</span> <a href="strtabs.html#StringTableRef"><span class="Identifier">StringTableRef</span></a><span class="Other">)</span><span class="Other">:</span> <a href="strtabs.html#StringTableMode"><span class="Identifier">StringTableMode</span></a> {.<span class="Identifier">inline</span><span class="Other">,</span> <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span>
    <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L96" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L96" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>

</div>
<div id="newStringTable-procs-all">
  <div id="newStringTable,varargs[string],StringTableMode">
  <dt><pre><span class="Keyword">proc</span> <a href="#newStringTable%2Cvarargs%5Bstring%5D%2CStringTableMode"><span class="Identifier">newStringTable</span></a><span class="Other">(</span><span class="Identifier">keyValuePairs</span><span class="Other">:</span> <a href="system.html#varargs"><span class="Identifier">varargs</span></a><span class="Other">[</span><a href="system.html#string"><span class="Identifier">string</span></a><span class="Other">]</span><span class="Other">;</span> <span class="Identifier">mode</span><span class="Other">:</span> <a href="strtabs.html#StringTableMode"><span class="Identifier">StringTableMode</span></a><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">owned</span><span class="Other">(</span>
    <span class="Identifier">StringTableRef</span><span class="Other">)</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">gcsafe</span><span class="Other">,</span> <span class="Identifier">extern</span><span class="Other">:</span> <span class="StringLit">&quot;nst$1WithPairs&quot;</span><span class="Other">,</span> </span><span class="Identifier">noSideEffect</span><span class="Other">,</span>
                      <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    <p>Creates a new string table with given <tt class="docutils literal"><span class="pre"><span class="Identifier">key</span><span class="Punctuation">,</span> <span class="Identifier">value</span></span></tt> string pairs.</p>
<p><tt class="docutils literal"><span class="pre"><span class="Identifier">StringTableMode</span></span></tt> must be specified.</p>

<p><strong class="examples_text">Example:</strong></p>
<pre class="listing"><span class="Keyword">var</span> <span class="Identifier">mytab</span> <span class="Operator">=</span> <span class="Identifier">newStringTable</span><span class="Punctuation">(</span><span class="StringLit">&quot;key1&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;val1&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;key2&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;val2&quot;</span><span class="Punctuation">,</span>
                           <span class="Identifier">modeCaseInsensitive</span><span class="Punctuation">)</span></pre>
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L266" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L266" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="newStringTable,varargs[tuple[string,string]],StringTableMode">
  <dt><pre><span class="Keyword">proc</span> <a href="#newStringTable%2Cvarargs%5Btuple%5Bstring%2Cstring%5D%5D%2CStringTableMode"><span class="Identifier">newStringTable</span></a><span class="Other">(</span><span class="Identifier">keyValuePairs</span><span class="Other">:</span> <a href="system.html#varargs"><span class="Identifier">varargs</span></a><span class="Other">[</span><span class="Keyword">tuple</span><span class="Other">[</span><span class="Identifier">key</span><span class="Other">,</span> <span class="Identifier">val</span><span class="Other">:</span> <a href="system.html#string"><span class="Identifier">string</span></a><span class="Other">]</span><span class="Other">]</span><span class="Other">;</span>
                    <span class="Identifier">mode</span><span class="Other">:</span> <a href="strtabs.html#StringTableMode"><span class="Identifier">StringTableMode</span></a> <span class="Other">=</span> <span class="Identifier">modeCaseSensitive</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">owned</span><span class="Other">(</span>
    <span class="Identifier">StringTableRef</span><span class="Other">)</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">gcsafe</span><span class="Other">,</span> <span class="Identifier">extern</span><span class="Other">:</span> <span class="StringLit">&quot;nst$1WithTableConstr&quot;</span><span class="Other">,</span> </span><span class="Identifier">noSideEffect</span><span class="Other">,</span>
                      <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    <p>Creates a new string table with given <tt class="docutils literal"><span class="pre"><span class="Punctuation">(</span><span class="Identifier">key</span><span class="Punctuation">,</span> <span class="Identifier">value</span><span class="Punctuation">)</span></span></tt> tuple pairs.</p>
<p>The default mode is case sensitive.</p>

<p><strong class="examples_text">Example:</strong></p>
<pre class="listing"><span class="Keyword">var</span>
  <span class="Identifier">mytab1</span> <span class="Operator">=</span> <span class="Identifier">newStringTable</span><span class="Punctuation">(</span><span class="Punctuation">{</span><span class="StringLit">&quot;key1&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;val1&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;key2&quot;</span><span class="Punctuation">:</span> <span class="StringLit">&quot;val2&quot;</span><span class="Punctuation">}</span><span class="Punctuation">,</span> <span class="Identifier">modeCaseInsensitive</span><span class="Punctuation">)</span>
  <span class="Identifier">mytab2</span> <span class="Operator">=</span> <span class="Identifier">newStringTable</span><span class="Punctuation">(</span><span class="Punctuation">[</span><span class="Punctuation">(</span><span class="StringLit">&quot;key3&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;val3&quot;</span><span class="Punctuation">)</span><span class="Punctuation">,</span> <span class="Punctuation">(</span><span class="StringLit">&quot;key4&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;val4&quot;</span><span class="Punctuation">)</span><span class="Punctuation">]</span><span class="Punctuation">)</span></pre>
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L283" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L283" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="newStringTable,StringTableMode">
  <dt><pre><span class="Keyword">proc</span> <a href="#newStringTable%2CStringTableMode"><span class="Identifier">newStringTable</span></a><span class="Other">(</span><span class="Identifier">mode</span><span class="Other">:</span> <a href="strtabs.html#StringTableMode"><span class="Identifier">StringTableMode</span></a><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">owned</span><span class="Other">(</span><span class="Identifier">StringTableRef</span><span class="Other">)</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">gcsafe</span><span class="Other">,</span>
    <span class="Identifier">extern</span><span class="Other">:</span> <span class="StringLit">&quot;nst$1&quot;</span><span class="Other">,</span> </span><span class="Identifier">noSideEffect</span><span class="Other">,</span> <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    <p>Creates a new empty string table.</p>
<p>See also:</p>
<ul class="simple"><li><a class="reference external" href="#newStringTable,varargs[tuple[string,string]],StringTableMode">newStringTable(keyValuePairs) proc</a></li>
</ul>

    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L257" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L257" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>

</div>

  </dl>
</div>
<div class="section" id="15">
  <h1><a class="toc-backref" href="#15">Iterators</a></h1>
  <dl class="item">
    <div id="keys-iterators-all">
  <div id="keys.i,StringTableRef">
  <dt><pre><span class="Keyword">iterator</span> <a href="#keys.i%2CStringTableRef"><span class="Identifier">keys</span></a><span class="Other">(</span><span class="Identifier">t</span><span class="Other">:</span> <a href="strtabs.html#StringTableRef"><span class="Identifier">StringTableRef</span></a><span class="Other">)</span><span class="Other">:</span> <a href="system.html#string"><span class="Identifier">string</span></a> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    Iterates over every key in the table <tt class="docutils literal"><span class="pre"><span class="Identifier">t</span></span></tt>.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L104" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L104" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>

</div>
<div id="pairs-iterators-all">
  <div id="pairs.i,StringTableRef">
  <dt><pre><span class="Keyword">iterator</span> <a href="#pairs.i%2CStringTableRef"><span class="Identifier">pairs</span></a><span class="Other">(</span><span class="Identifier">t</span><span class="Other">:</span> <a href="strtabs.html#StringTableRef"><span class="Identifier">StringTableRef</span></a><span class="Other">)</span><span class="Other">:</span> <span class="Keyword">tuple</span><span class="Other">[</span><span class="Identifier">key</span><span class="Other">,</span> <span class="Identifier">value</span><span class="Other">:</span> <a href="system.html#string"><span class="Identifier">string</span></a><span class="Other">]</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span>
    <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    Iterates over every <tt class="docutils literal"><span class="pre"><span class="Punctuation">(</span><span class="Identifier">key</span><span class="Punctuation">,</span> <span class="Identifier">value</span><span class="Punctuation">)</span></span></tt> pair in the table <tt class="docutils literal"><span class="pre"><span class="Identifier">t</span></span></tt>.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L98" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L98" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>

</div>
<div id="values-iterators-all">
  <div id="values.i,StringTableRef">
  <dt><pre><span class="Keyword">iterator</span> <a href="#values.i%2CStringTableRef"><span class="Identifier">values</span></a><span class="Other">(</span><span class="Identifier">t</span><span class="Other">:</span> <a href="strtabs.html#StringTableRef"><span class="Identifier">StringTableRef</span></a><span class="Other">)</span><span class="Other">:</span> <a href="system.html#string"><span class="Identifier">string</span></a> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    Iterates over every value in the table <tt class="docutils literal"><span class="pre"><span class="Identifier">t</span></span></tt>.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/pure/strtabs.nim#L110" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/pure/strtabs.nim#L110" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
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