Camelia
Prev: join

The unique function

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

tutorial/arrays/unique.p6

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

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


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

# prints [1, 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"]


The Perl 6 Tricks and Treats newsletter has been around for a while. If you are interested to get special notification when there is new content on this site, it is the best way to keep track:
Email:
Full name:
This is a newsletter temporarily running on my personal site (szabgab.com) using Mailman, till I implement an alternative system in Perl 6.
Gabor Szabo
Written by Gabor Szabo

Published on 2012-01-01


Prev: join

Comments

In the comments, please wrap your code snippets within <pre> </pre> tags and use spaces for indentation.
comments powered by Disqus
Suggest a change
Elapsed time: 3.01252437

Support my Perl 6 book!

I am writing a book on Web Application Development in Perl 6 and raising money via crowdfunding. Please support my effort!

Perl 6 Tricks and Treats newsletter

Register to the free newsletter now, and get updates and news.
Email:
Name: