Perl::Critic::Policy::ClassHierarchies::ProhibitExplicitISA(3pm) User Contributed Perl Documentation Perl::Critic::Policy::ClassHierarchies::ProhibitExplicitISA(3pm)

Perl::Critic::Policy::ClassHierarchies::ProhibitExplicitISA - Employ "use parent" instead of "@ISA".

This Policy is part of the core Perl::Critic distribution.

Conway recommends employing "use parent qw(Foo)" instead of the usual "our @ISA = qw(Foo)" because the former happens at compile time and the latter at runtime. The parent pragma also automatically loads "Foo" for you so you save a line of easily-forgotten code.

The original version of this policy recommended base instead of parent, which is now obsolete.

This Policy is not configurable except for the standard options.

Chris Dolan <cdolan@cpan.org>

Copyright (c) 2006-2022 Chris Dolan.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

2023-07-26 perl v5.38.0