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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Determine-if-a-string-is-collapsible/Prolog/determine-if-a-string-is-collapsible.pro Normal file
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collapse_( [], [] ).
collapse_( [A], [A] ).
collapse_( [A,A|T], R ) :- collapse_( [A|T], R ).
collapse_( [A,B|T], [A|R] ) :- dif( A, B ), collapse_( [B|T], R ).
collapse( Str, Collapsed ) :-
string_chars( Str, Chars ),
collapse_( Chars, Result ),
string_chars( Collapsed, Result ).