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Perl::Critic::Policy::BuiltinFunctions::ProhibitReverseSortBlock.3pm
Langue: en
Version: 2009-02-26 (fedora - 05/07/09)
Section: 3 (Bibliothèques de fonctions)
NAME
Perl::Critic::Policy::BuiltinFunctions::ProhibitReverseSortBlock - Forbid $b before $a in sort blocks.AFFILIATION
This Policy is part of the core Perl::Critic distribution.DESCRIPTION
Conway says that it is much clearer to use "reverse" than to flip $a and $b around in a "sort" block. He also suggests that, in newer perls, "reverse" is specifically looked for and optimized, and in the case of a simple reversed string "sort", using "reverse" with a "sort" with no block is faster even in old perls.my @foo = sort { $b cmp $a } @bar; #not ok my @foo = reverse sort @bar; #ok my @foo = sort { $b <=> $a } @bar; #not ok my @foo = reverse sort { $a <=> $b } @bar; #ok
CONFIGURATION
This Policy is not configurable except for the standard options.AUTHOR
Chris Dolan <cdolan@cpan.org>COPYRIGHT
Copyright (C) 2006 Chris Dolan. All rights reserved.This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre