RosettaCodeData/Task/Non-continuous-subsequences/Perl-6/non-continuous-subsequences.pl6
2015-11-18 06:14:39 +00:00

7 lines
293 B
Raku

sub non_continuous_subsequences ( *@list ) {
@list.combinations.grep: { 1 != all( .[ 0 ^.. .end] Z- .[0 ..^ .end] ) }
}
say non_continuous_subsequences( 1..3 )».gist;
say non_continuous_subsequences( 1..4 )».gist;
say non_continuous_subsequences( ^4 ).map: {[<a b c d>[.list]].gist};