insertion_sort.erl

% Copyright (c) 2009 Ivan Fomichev
%
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% of this software and associated documentation files (the "Software"), to deal
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% furnished to do so, subject to the following conditions:
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% The above copyright notice and this permission notice shall be included in
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% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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-module(insertion_sort).
-export([sort/1]).

sort(List) when is_list(List) ->
    sort(List, [], []).

sort([], Acc, _) ->
    lists:reverse(Acc);

sort(List = [X | _], [Y | AccT], Temp) when X < Y ->
    sort(List, AccT, [Y | Temp]);

sort([X | T], Acc, Temp) ->
    sort(T, lists:reverse(Temp) ++ [X | Acc], []).