Longest common prefix: Difference between revisions

→‎Perl 6: don't trim strings from the end, use lazy .ords instead
(→‎version 3: updated program and output to reflect latest task test cases additions)
(→‎Perl 6: don't trim strings from the end, use lazy .ords instead)
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=={{header|Perl 6}}==
{{works with|rakudo|2015-03-26}}
 
<lang perl6>multi lcp() { '' }
multi lcp(Str $s) { ~$s }
multi lcp(*@s) { substr @s[0], 0, first-index *.not, [Zeqv] |@s».ords;
first -> $s { [&&] map { m/^$s/ }, @s },
( min(:by(*.chars), @s), *.chop ... * )
}
 
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