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diint_utilites_common_app
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1.0.1
библиотеки для работы с ребитом и протоколы
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src/utilites/lists_extension.erl
%%%-------------------------------------------------------------------
%%% @author cheese
%%% @copyright (C) 2014, <COMPANY>
%%% @doc
%%%
%%% @end
%%% Created : 11. Jan 2014 2:28 PM
%%%-------------------------------------------------------------------
-module(lists_extension).
-author("cheese").
%% API
-export([are_equal/2, cut_last_item/1]).
-export([internal_are_equal/2, internal_cut_last_item/2]).
are_equal(List1, List2) when erlang:length(List1) == erlang:length(List2) ->
internal_are_equal(List1, List2);
are_equal(_List1, _List2) ->
false.
internal_are_equal([], []) ->
true;
internal_are_equal([Head1 | Tail1], [Head2 | Tail2]) when Head1 == Head2 ->
internal_are_equal(Tail1, Tail2);
internal_are_equal(_List1, _List2) ->
false.
cut_last_item(Arr) ->
internal_cut_last_item(Arr, []).
internal_cut_last_item([], Res) ->
lists:reverse(Res);
internal_cut_last_item([_OneItem], Res) ->
lists:reverse(Res);
internal_cut_last_item([Head | Tail], Res) ->
internal_cut_last_item(Tail, [Head | Res]).