From 53e56e0a46451584819aaf58b0d3aee8f2ed60e3 Mon Sep 17 00:00:00 2001 From: Jarkko Hietaniemi <jhi@iki.fi> Date: Sun, 3 Jun 2001 17:27:13 +0000 Subject: Mention that lexicalizing $a or $b is a bad idea if one wants to use sort(). p4raw-id: //depot/perl@10409 --- pod/perlvar.pod | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'pod/perlvar.pod') 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 -- cgit v1.2.1