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.IX Title "Perl::Critic::Policy::CodeLayout::RequireTrailingCommas 3pm"
.TH Perl::Critic::Policy::CodeLayout::RequireTrailingCommas 3pm 2023-07-26 "perl v5.38.0" "User Contributed Perl Documentation"
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.SH NAME
Perl::Critic::Policy::CodeLayout::RequireTrailingCommas \- Put a comma at the end of every multi\-line list declaration, including the last one.
.SH AFFILIATION
.IX Header "AFFILIATION"
This Policy is part of the core Perl::Critic
distribution.
.SH DESCRIPTION
.IX Header "DESCRIPTION"
Conway suggests that all elements in a multi-line list should be
separated by commas, including the last element.  This makes it a
little easier to re-order the list by cutting and pasting.
.PP
.Vb 3
\&    my @list = ($foo,
\&                $bar,
\&                $baz);  #not ok
\&
\&    my @list = ($foo,
\&                $bar,
\&                $baz,); #ok
.Ve
.SH CONFIGURATION
.IX Header "CONFIGURATION"
This Policy is not configurable except for the standard options.
.SH NOTES
.IX Header "NOTES"
In the PPI parlance, a "list" is almost anything with parentheses.
I've tried to make this Policy smart by targeting only "lists" that
have at least one element and are being assigned to something.
However, there may be some edge cases that I haven't covered.  If you
find one, send me a note.
.SH AUTHOR
.IX Header "AUTHOR"
Jeffrey Ryan Thalhammer <jeff@imaginative\-software.com>
.SH COPYRIGHT
.IX Header "COPYRIGHT"
Copyright (c) 2005\-2011 Imaginative Software Systems.  All rights reserved.
.PP
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.