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| author | Jarkko Hietaniemi <jhi@iki.fi> | 2001-06-03 17:27:13 +0000 |
|---|---|---|
| committer | Jarkko Hietaniemi <jhi@iki.fi> | 2001-06-03 17:27:13 +0000 |
| commit | 53e56e0a46451584819aaf58b0d3aee8f2ed60e3 (patch) | |
| tree | 94d989072bbc209762fcb44e1c7c3f10ffd8e8ae /pod/perlvar.pod | |
| parent | 56dd5b296bcdfa13210bc9018d4cc5ec40d2f1f0 (diff) | |
| download | perl-53e56e0a46451584819aaf58b0d3aee8f2ed60e3.tar.gz | |
Mention that lexicalizing $a or $b is a bad idea if one
wants to use sort().
p4raw-id: //depot/perl@10409
Diffstat (limited to 'pod/perlvar.pod')
| -rw-r--r-- | pod/perlvar.pod | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/pod/perlvar.pod b/pod/perlvar.pod index da060557ff..b72f3571bd 100644 --- a/pod/perlvar.pod +++ b/pod/perlvar.pod @@ -118,7 +118,9 @@ test. Outside a C<while> test, this will not happen. Special package variables when using sort(), see L<perlfunc/sort>. Because of this specialness $a and $b don't need to be declared (using local(), use vars, or our()) even when using the strict -vars pragma. +vars pragma. Don't lexicalize them with C<my $a> or C<my $b> +if you want to be able to use them in the sort() comparison block +or function. =back |