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| author | Markus "Holli" Holzer <holli.holzer@gmail.com> | 2020-04-20 07:24:01 +0200 |
|---|---|---|
| committer | Markus "Holli" Holzer <holli.holzer@gmail.com> | 2020-04-20 07:24:01 +0200 |
| commit | dfd5dff4361782cd2d420de61519b293e816c9ed (patch) | |
| tree | 73add7f89fbedd2cebc9e95aa4e4b49624a9e839 | |
| parent | 31ec57e825437d444c34fb7bd2c19998a1c80beb (diff) | |
| download | perlweeklychallenge-club-dfd5dff4361782cd2d420de61519b293e816c9ed.tar.gz perlweeklychallenge-club-dfd5dff4361782cd2d420de61519b293e816c9ed.tar.bz2 perlweeklychallenge-club-dfd5dff4361782cd2d420de61519b293e816c9ed.zip | |
that was easy
| -rw-r--r-- | challenge-057/markus-holzer/raku/ch-2.raku | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/challenge-057/markus-holzer/raku/ch-2.raku b/challenge-057/markus-holzer/raku/ch-2.raku new file mode 100644 index 0000000000..36847856ad --- /dev/null +++ b/challenge-057/markus-holzer/raku/ch-2.raku @@ -0,0 +1,14 @@ +my $words = [ "alphabet", "book", "carpet", "cadmium", "cadeau", "alpine" ]; + +.say for gather shortest-unique-prefixes( $words ); + +sub shortest-unique-prefixes( Array $words, Int $l = 1 ) +{ + for $words.classify( *.substr(0, $l) ) + { + take .key and next + if .value.elems == 1; + + shortest-unique-prefixes( .value, $l + 1 ) + } +}
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