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

Re^2: underscore prototype imposing scalar context

by Aaronrp (Scribe)
on Mar 10, 2012 at 20:21 UTC ( [id://958895]=note: print w/replies, xml ) Need Help??


in reply to Re: underscore prototype imposing scalar context
in thread underscore prototype imposing scalar context

No, that doesn't work. The unbackslashed @ eats up all the prototype characters behind it.

This:

#!/ActivePerl/bin/perl use 5.014; use warnings; sub sayit (@;_); sayit (1, 2, 3); my @list = (4, 5, 6); sayit (@list); local $_ = 7; sayit; my $_ = 8; sayit; sub sayit (@;_) { my @list = @_; if (@list) { say "@list" } else { say "no list" } }

yields this:

Prototype after '@' for main::sayit : @;_ at q.pl line 6. Prototype after '@' for main::sayit : @;_ at q.pl line 21. 1 2 3 4 5 6 no list no list

The first two lines are due to the warnings pragma.

Log In?
Username:
Password:

What's my password?
Create A New User
Domain Nodelet?
Node Status?
node history
Node Type: note [id://958895]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this?Last hourOther CB clients
Other Users?
Others having a coffee break in the Monastery: (4)
As of 2024-03-29 13:31 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    No recent polls found