#NAME

Perl::Critic::Policy::ControlStructures::ProhibitLabelsWithSpecialBlockNames - Don't use labels that are the same as the special block names.

#AFFILIATION

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

#DESCRIPTION

When using one of the special Perl blocks BEGIN, END, CHECK, INIT, and UNITCHECK, it is easy to mistakenly add a colon to the end of the block name. E.g.:

# a BEGIN block that gets executed at compile time.
BEGIN { <...code...> }

# an ordinary labeled block that gets executed at run time.
BEGIN: { <...code...> }

The labels "BEGIN:", "END:", etc. are probably errors. This policy prohibits the special Perl block names from being used as labels.

#CONFIGURATION

This Policy is not configurable except for the standard options.

#SEE ALSO

The Perl Buzz article on this issue at http://perlbuzz.com/2008/05/colons-invalidate-your-begin-and-end-blocks.html.

#ACKNOWLEDGMENT

Randy Lauen for identifying the problem.

#AUTHOR

Mike O'Regan

#COPYRIGHT

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

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