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.IX Title "Perl::Critic::Policy::Freenode::ConditionalImplicitReturn 3pm"
.TH Perl::Critic::Policy::Freenode::ConditionalImplicitReturn 3pm "2020-12-26" "perl v5.32.0" "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::ConditionalImplicitReturn \- Don't end a
subroutine with a conditional block
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
If the last statement in a subroutine is a conditional block such as
\&\f(CW\*(C`if ($foo) { ... }\*(C'\fR, and the \f(CW\*(C`else\*(C'\fR condition is not handled, the subroutine
will return an unexpected value when the condition fails, and it is most likely
a logic error. Specify a return value after the conditional, or handle the
\&\f(CW\*(C`else\*(C'\fR condition.
.PP
.Vb 3
\&  sub { ... if ($foo) { return 1 } }                   # not ok
\&  sub { ... if ($foo) { return 1 } return 0 }          # ok
\&  sub { ... if ($foo) { return 1 } else { return 0 } } # ok
.Ve
.PP
This policy only applies if the subroutine contains a return statement with an
explicit return value, indicating it is not intended to be used in void
context.
.SH "CAVEATS"
.IX Header "CAVEATS"
This policy currently only checks for implicitly returned conditionals in named
subroutines, anonymous subroutines are not checked. Also, return statements
within blocks, other than compound statements like \f(CW\*(C`if\*(C'\fR and \f(CW\*(C`foreach\*(C'\fR, are
not considered when determining if a function is intended to be used in void
context.
.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