Beefy Boxes and Bandwidth Generously Provided by pair Networks
laziness, impatience, and hubris

Re^2: references best practice

by Haarg (Chaplain)
on Apr 25, 2008 at 22:51 UTC ( #682947=note: print w/replies, xml ) Need Help??

in reply to Re: references best practice
in thread references best practice

Your second example isn't doing what you intend. The array outside of the sub isn't modified. The first line of prepData2 sets $refData to the incoming reference. The second replaces that reference with a different one, leaving the contents of the first reference unchanged. You'd want something more like:
sub prepData2 { my $refData = shift; @$refData = map { log $_ } 1 .. 100; }
With that change, the benchmark changes somewhat, making it almost identical to array_ref_out1 in my tests.

Log In?

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://682947]
and all is quiet...

How do I use this? | Other CB clients
Other Users?
Others imbibing at the Monastery: (7)
As of 2017-07-21 18:55 GMT
Find Nodes?
    Voting Booth?
    I came, I saw, I ...

    Results (334 votes). Check out past polls.