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The uniq functions

Note! This site is about Perl 6.
If you are looking for a solution for the current production version of Perl 5, please check out the Perl 5 tutorial.


#!/usr/bin/env perl6
use v6;

my @duplicates = 1, 1, 2, 5, 1, 4, 3, 2, 1;
say @duplicates.perl;
# prints, 1, 2, 5, 1, 4, 3, 2, 1)

my @unique = unique @duplicates;
say @unique.perl;

# prints, 2, 5, 4, 3)

my @chars = <b c a d b a a a b>;
say @chars.perl;

# prints"b", "c", "a", "d", "b", "a", "a", "a", "b")

my @singles = unique @chars;
say @singles.perl;

# prints"b", "c", "a", "d")

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Gabor Szabo
Written by Gabor Szabo

Published on 2012-01-01

Prev: join


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