Beefy Boxes and Bandwidth Generously Provided by pair Networks
Perl Monk, Perl Meditation
 
PerlMonks  

Re^2: Alias of hash-values?

by LanX (Canon)
on Feb 20, 2013 at 16:58 UTC ( #1019807=note: print w/ replies, xml ) Need Help??


in reply to Re: Alias of hash-values?
in thread Alias of hash-values?

> The thing that surprises me though is that trying to increment the hash keys doesn't die like this one:

Yeah, that was an implicit question.

So anything which is an lvalue in Perl can be aliased in foreach or @_ ?

Cheers Rolf


Comment on Re^2: Alias of hash-values?
Select or Download Code
Re^3: Alias of hash-values?
by LanX (Canon) on Feb 20, 2013 at 22:36 UTC
    > So anything which is an lvalue in Perl can be aliased in foreach or @_ ?

    yep, seems to be the case!

    $a=41; sub tst :lvalue { $a } $_++ for tst(); print tst(); # prints 42

    Cheers Rolf

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://1019807]
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: (11)
As of 2014-10-23 17:11 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    For retirement, I am banking on:










    Results (126 votes), past polls