Beefy Boxes and Bandwidth Generously Provided by pair Networks
Your skill will accomplish
what the force of many cannot
 
PerlMonks  

Re: To Hash or to Array--Uniqueness is the question.

by kbrint (Sexton)
on Dec 02, 2005 at 08:47 UTC ( #513535=note: print w/replies, xml ) Need Help??


in reply to To Hash or to Array--Uniqueness is the question.

my (@items, @unique, %seen); for (@items) { push @unique, $_ unless $seen{$_}++; }
This has a few benefits:
  • Deterministic ordering.
  • Works for objects and passes them through to @unique without stringification.

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://513535]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others making s'mores by the fire in the courtyard of the Monastery: (6)
As of 2016-08-30 21:11 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?
    The best thing I ever won in a lottery was:















    Results (423 votes). Check out past polls.