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tforloop_tuple_underscore.nim

tforloop_tuple_underscore.nim 258 B
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  1. discard """
    2. 

  2.   errormsg: "the special identifier '_' is ignored in declarations and cannot be used"
    3. 

  3. """
    4. 

  4. 

  5. iterator iter(): (int, int) =
    6. 

  6.   yield (1, 2)
    7. 

  7.   yield (3, 4)
    8. 

  8.   yield (1, 2)
    9. 

  9.   yield (3, 4)
    10. 

  10.   yield (1, 2)
    11. 

  11.   yield (3, 4)
    12. 

  12. 

  13. 

  14. for (_, i) in iter():
    15. 

  15.   echo _
    16. 

  16. 

  17.