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list_on_tuples

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Jun 23rd, 2018
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Erlang 0.18 KB | None | 0 0
  1. -module(list2).
  2.  
  3. -export([
  4.   new/0,
  5.   cons/2,
  6.   hd/1,
  7.   tl/1
  8. ]).
  9.  
  10. new() ->
  11.     nil.
  12.  
  13. cons(A, List) ->
  14.   {A, List}.
  15.  
  16. hd({Head, _}) ->
  17.   Head.
  18.  
  19. tl({_, Tail}) ->
  20.   Tail.
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