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Perl::Critic::Policy::References::ProhibitDoubleSigils

NAME

Perl::Critic::Policy::References::ProhibitDoubleSigils − Write "@{ $array_ref }" instead of "@$array_ref".

AFFILIATION

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

DESCRIPTION

When dereferencing a reference, put braces around the reference to separate the sigils. Especially for newbies, the braces eliminate any potential confusion about the relative precedence of the sigils.

  push @$array_ref, 'foo', 'bar', 'baz';      #not ok
  push @{ $array_ref }, 'foo', 'bar', 'baz';  #ok
  foreach ( keys %$hash_ref ){}               #not ok
  foreach ( keys %{ $hash_ref } ){}           #ok

CONFIGURATION

This Policy is not configurable except for the standard options.

AUTHOR

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.

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