Beefy Boxes and Bandwidth Generously Provided by pair Networks
"be consistent"
 
PerlMonks  

Re: Perl Idioms Explained - keys %{{map{$_=>1}@list}}

by Aristotle (Chancellor)
on Aug 04, 2003 at 20:18 UTC ( #280788=note: print w/ replies, xml ) Need Help??

Help for this page

Select Code to Download


  1. or download this
    my %seen;
    @seen{@list}=();
    my @uniq = keys %seen;
    
  2. or download this
    my @uniq = do {
        my %seen;
        @seen{@list}=();
        keys %seen;
    };
    

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://280788]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others browsing the Monastery: (11)
As of 2014-09-17 20:53 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    How do you remember the number of days in each month?











    Results (99 votes), past polls