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Perl::Critic::Policy::ControlSPerl::Critic::Policy::ControlStructures::ProhibitCascadingIfElse(3)

NAME
       Perl::Critic::Policy::ControlStructures::ProhibitCascadingIfElse - Don't write long
       "if-elsif-elsif-elsif-elsif...else" chains.

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

DESCRIPTION
       Long "if-elsif" chains are hard to digest, especially if they are longer than a single
       page or screen.	If testing for equality, use a hash lookup instead.  If you're using perl
       5.10 or later, use "given"/"when".

	   if ($condition1) {	      #ok
	       $foo = 1;
	   }
	   elsif ($condition2) {      #ok
	       $foo = 2;
	   }
	   elsif ($condition3) {      #ok
	       $foo = 3;
	   }
	   elsif ($condition4) {      #too many!
	       $foo = 4;
	   }
	   else {		      #ok
	       $foo = $default;
	   }

CONFIGURATION
       This policy can be configured with a maximum number of "elsif" alternatives to allow.  The
       default is 2.  This can be specified via a "max_elsif" item in the .perlcriticrc file:

	   [ControlStructures::ProhibitCascadingIfElse]
	   max_elsif = 3

AUTHOR
       Jeffrey Ryan Thalhammer <jeff@imaginative-software.com>

COPYRIGHT
       Copyright (c) 2005-2011 Imaginative Software Systems.  All rights reserved.

       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.

perl v5.16.3		      Perl::Critic::Policy::ControlStructures::ProhibitCascadingIfElse(3)
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