Change Pseudo Code to C Program (print and fork)

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perl::critic::policy::controlstructures::prohibitunreachablecode

Perl::Critic::Policy::ControlStructures::ProhibitUnreachUserCContributed Perl DPerl::Critic::Policy::ControlStructures::ProhibitUnreachableCode(3)

NAME

       Perl::Critic::Policy::ControlStructures::ProhibitUnreachableCode - Don't write code after an unconditional "die, exit, or next".

AFFILIATION

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

DESCRIPTION

       This policy prohibits code following a statement which unconditionally alters the program flow.	This includes calls to "exit", "die",
       "return", "next", "last" and "goto".  Due to common usage, "croak" and "confess" from Carp are also included.

       Code is reachable if any of the following conditions are true:

       o   Flow-altering statement has a conditional attached to it

       o   Statement is on the right side of an operator "&&", "||", "//", "and", "or", or "err".

       o   Code is prefixed with a label (can potentially be reached via "goto")

       o   Code is a subroutine

EXAMPLES

	 # not ok

	 exit;
	 print "123
";

	 # ok

	 exit if !$xyz;
	 print "123
";

	 # not ok

	 for ( 1 .. 10 ) {
	     next;
	     print 1;
	 }

	 # ok

	 for ( 1 .. 10 ) {
	     next if $_ == 5;
	     print 1;
	 }

	 # not ok

	 sub foo {
	     my $bar = shift;
	     return;
	     print 1;
	 }

	 # ok

	 sub foo {
	     my $bar = shift;
	     return if $bar->baz();
	     print 1;
	 }

	 # not ok

	 die;
	 print "123
";

	 # ok

	 die;
	 LABEL: print "123
";

	 # not ok

	 croak;
	 do_something();

	 # ok

	 croak;
	 sub do_something {}

CONFIGURATION

       This Policy is not configurable except for the standard options.

SEE ALSO

       Perl::Critic::Policy::ControlStructures::ProhibitPostfixControls

AUTHOR

       Peter Guzis <pguzis@cpan.org>

COPYRIGHT

       Copyright (c) 2006-2011 Peter Guzis.  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							    2014-06-09 Perl::Critic::Policy::ControlStructures::ProhibitUnreachableCode(3)

Programming