diff options
| author | Gurusamy Sarathy <gsar@cpan.org> | 1998-07-22 05:10:53 +0000 |
|---|---|---|
| committer | Gurusamy Sarathy <gsar@cpan.org> | 1998-07-22 05:10:53 +0000 |
| commit | 92c2ed055315fc5be2c58f97c40236945f31f32e (patch) | |
| tree | ccace68daba971343b831dfc0ce5fd0e0647e385 /pod/perlfaq6.pod | |
| parent | 407eff0f25e20d3ed6ccfe2097b366fd28d8e3c4 (diff) | |
| download | perl-92c2ed055315fc5be2c58f97c40236945f31f32e.tar.gz | |
perlfaq update from From Tom Christiansen and Nathan Torkington
(removes all mention of training courses from perlfaq*.pod)
p4raw-id: //depot/perl@1621
Diffstat (limited to 'pod/perlfaq6.pod')
| -rw-r--r-- | pod/perlfaq6.pod | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/pod/perlfaq6.pod b/pod/perlfaq6.pod index 053e28496d..488a27c83a 100644 --- a/pod/perlfaq6.pod +++ b/pod/perlfaq6.pod @@ -1,6 +1,6 @@ =head1 NAME -perlfaq6 - Regexps ($Revision: 1.21 $, $Date: 1998/06/22 04:23:04 $) +perlfaq6 - Regexps ($Revision: 1.22 $, $Date: 1998/07/16 14:01:07 $) =head1 DESCRIPTION @@ -545,12 +545,10 @@ L<perlfaq2>). =head2 What's wrong with using grep or map in a void context? -Strictly speaking, nothing. Stylistically speaking, it's not a good -way to write maintainable code. That's because you're using these -constructs not for their return values but rather for their -side-effects, and side-effects can be mystifying. There's no void -grep() that's not better written as a C<for> (well, C<foreach>, -technically) loop. +Both grep and map build a return list, regardless of their context. +This means you're making Perl go to the trouble of building up a +return list that you then just ignore. That's no way to treat a +programming language, you insensitive scoundrel! =head2 How can I match strings with multibyte characters? |