Beefy Boxes and Bandwidth Generously Provided by pair Networks
Come for the quick hacks, stay for the epiphanies.
 
PerlMonks  

Schwartzian Transform vs. Building Hash of Function Results, Then Sorting on Function Results

by davebaker (Pilgrim)
on Oct 16, 2006 at 18:54 UTC ( [id://578571]=note: print w/replies, xml ) Need Help??

Help for this page

Select Code to Download


  1. or download this
        my @output =
          map { $_->[0] }
          sort { $a->[1] cmp $b->[1] }
          map { [$_, expensive_func($_)] }
        @input;
    
  2. or download this
        foreach $_ (@input) {
            $result_for{$_} = expensive_func($_);
        }
    ...
        my @output
            = sort { $result_for{$a} cmp $result_for{$b}
                   } @input;
    

Log In?
Username:
Password:

What's my password?
Create A New User
Domain Nodelet?
Node Status?
node history
Node Type: note [id://578571]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this?Last hourOther CB clients
Other Users?
Others taking refuge in the Monastery: (5)
As of 2024-03-28 13:38 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    No recent polls found