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.IX Title "Perl::Critic::Policy::Subroutines::ProhibitNestedSubs 3pm"
.TH Perl::Critic::Policy::Subroutines::ProhibitNestedSubs 3pm "2018-07-27" "perl v5.26.2" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
Perl::Critic::Policy::Subroutines::ProhibitNestedSubs \- "sub never { sub correct {} }".
.SH "AFFILIATION"
.IX Header "AFFILIATION"
This Policy is part of the core Perl::Critic
distribution.
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBAttention would-be clever Perl writers (including Younger \s-1RJBS\s0):\fR
.PP
This does not do what you think:
.PP
.Vb 7
\&  sub do_something {
\&      ...
\&      sub do_subprocess {
\&          ...
\&      }
\&      ...
\&  }
.Ve
.PP
\&\f(CW\*(C`do_subprocess()\*(C'\fR is global, despite where it is declared.  Either
write your subs without nesting or use anonymous code references.
.SH "CONFIGURATION"
.IX Header "CONFIGURATION"
This Policy is not configurable except for the standard options.
.SH "NOTE"
.IX Header "NOTE"
Originally part of Perl::Critic::Tics.
.SH "AUTHOR"
.IX Header "AUTHOR"
Ricardo \s-1SIGNES\s0 <rjbs@cpan.org>
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright (c) 2007\-2011 Ricardo \s-1SIGNES.\s0
.PP
This program is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.