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Another erlangish

-module(rosetta).
-compile(export_all).

test() ->
  rosetta("ZYEEEEEABBCCCDDDDF").

rosetta([H|T]) ->
    rosetta([], [H], T).

rosetta(L, [H|_]=Act, [H|T1]) ->
    rosetta(L, [H|Act], T1);
    
rosetta(L, Act, [H|T]) ->
    rosetta([Act|L], [H], T);
    
rosetta(L, Act, []) ->
    lists:reverse([Act|L]).
[download]

maciek

In reply to Re^2: Yet Another Rosetta Code Problem (Perl, Ruby, Python, Haskell, ...) by Anonymous Monk
in thread Yet Another Rosetta Code Problem (Perl, Ruby, Python, Haskell, ...) by eyepopslikeamosquito

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