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| Perl::Critic::Policy::ControlStructures::ProhibitUntilBlocks(3) | User Contributed Perl Documentation | Perl::Critic::Policy::ControlStructures::ProhibitUntilBlocks(3) |
NAME
Perl::Critic::Policy::ControlStructures::ProhibitUntilBlocks - Write "while(! $condition)" instead of "until($condition)".AFFILIATION
This Policy is part of the core Perl::Critic distribution.DESCRIPTION
Conway discourages using "until" because it leads to double-negatives that are hard to understand. Instead, reverse the logic and use "while".
until($condition) { do_something() } #not ok
until(! $no_flag) { do_something() } #really bad
while( ! $condition) { do_something() } #ok
This Policy only covers the block-form of "until". For the postfix variety, see "ProhibitPostfixControls".
CONFIGURATION
This Policy is not configurable except for the standard options.SEE ALSO
Perl::Critic::Policy::ControlStructures::ProhibitPostfixControlsAUTHOR
Jeffrey Ryan Thalhammer <jeff@imaginative-software.com>COPYRIGHT
Copyright (c) 2005-2011 Imaginative Software Systems. All rights reserved.This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The full text of this license can be found in the LICENSE file included with this module.
| 2022-04-08 | perl v5.32.1 |
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