Front page | perl.perl5.porters |
Postings from April 2003
On 24 Apr 2003, Mike Stok wrote:
> I may be being an idiot here, so feel free to tell me that I am.
I managed to delete the output from the program while rehashing the
message.
> use strict;
> use warnings;
>
> sub show {
> print defined $_[0] ? $_[0] : '(undef)', "\n";
> }
>
> my $rv = ('a', 'b', 'c');
> show $rv;
> my $rv2 = ('a', 'b', 'c', ());
> show $rv2;
produced
[mike@ratdog tmp]$ perl try.pl
Useless use of a constant in void context at try.pl line 10.
Useless use of a constant in void context at try.pl line 10.
Useless use of a constant in void context at try.pl line 12.
Useless use of a constant in void context at try.pl line 12.
Useless use of a constant in void context at try.pl line 12.
c
(undef)
Apologies,
Mike
--
mike@stok.co.uk | The "`Stok' disclaimers" apply.
http://www.stok.co.uk/~mike/ | GPG PGP Key 1024D/059913DA
mike@exegenix.com | Fingerprint 0570 71CD 6790 7C28 3D60
http://www.exegenix.com/ | 75D2 9EC4 C1C0 0599 13DA
Thread Previous