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elixir error

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Jul 24th, 2014
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Erlang 0.39 KB | None | 0 0
  1. defmodule Helpers do
  2.  
  3.     defmacro foreach(coll) do
  4.         quote do
  5.             IO.puts inspect coll
  6.         end
  7.     end
  8.  
  9. end
  10.  
  11. # require Helpers # this doesnt work
  12.  
  13. Helpers.foreach [10, 20, 30]
  14.  
  15. #
  16. #** (UndefinedFunctionError) undefined function: Helpers.foreach/1
  17. #    Helpers.foreach([10, 20, 30])
  18. #    (elixir) src/elixir_lexical.erl:17: :elixir_lexical.run/2
  19. #   (elixir) lib/code.ex:316: Code.require_file/2
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