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.IX Title "Perl::Critic::Policy::Freenode::ConditionalDeclarations 3pm"
.TH Perl::Critic::Policy::Freenode::ConditionalDeclarations 3pm "2018-12-21" "perl v5.28.1" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
Perl::Critic::Policy::Freenode::ProhibitConditionalDeclarations \- Don't declare
variables conditionally
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
It is possible to add a postfix condition to a variable declaration, like
\&\f(CW\*(C`my $foo = $bar if $baz\*(C'\fR. However, it is unclear (and undefined) if the
variable will be declared when the condition is not met. Instead, declare the
variable and then assign to it conditionally, or use the
ternary operator to assign a value
conditionally.
.PP
.Vb 5
\&  my $foo = $bar if $baz;           # not ok
\&  my ($foo, $bar) = @_ unless $baz; # not ok
\&  our $bar = $_ for 0..10;          # not ok
\&  my $foo; $foo = $bar if $baz;     # ok
\&  my $foo = $baz ? $bar : undef;    # ok
.Ve
.PP
This policy is a subclass of the core policy
Perl::Critic::Policy::Variables::ProhibitConditionalDeclarations, and
performs the same function but in the \f(CW\*(C`freenode\*(C'\fR theme.
.SH "AFFILIATION"
.IX Header "AFFILIATION"
This policy is part of Perl::Critic::Freenode.
.SH "CONFIGURATION"
.IX Header "CONFIGURATION"
This policy is not configurable except for the standard options.
.SH "AUTHOR"
.IX Header "AUTHOR"
Dan Book, \f(CW\*(C`dbook@cpan.org\*(C'\fR
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
Copyright 2015, Dan Book.
.PP
This library is free software; you may redistribute it and/or modify it under
the terms of the Artistic License version 2.0.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Perl::Critic