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Test::Vars(3)		       User Contributed Perl Documentation		    Test::Vars(3)

NAME
       Test::Vars - Detects unused variables

VERSION
       This document describes Test::Vars version 0.005.

SYNOPSIS
	   use Test::Vars;

	   all_vars_ok(); # check libs in MANIFEST

DESCRIPTION
       Test::Vars finds unused variables in order to keep the source code tidy.

INTERFACE
   Exported
       all_vars_ok(%args)

       Tests libraries in your distribution with %args.

       libraries are collected from the MANIFEST file.

       If you want to ignore variables, for example $foo, you can tell it to the test routines:

       "ignore_vars => { '$foo' => 1 }"
       "ignore_vars => [qw($foo)]"
       "ignore_if => sub{ $_ eq '$foo' }"

       Note that $self will be ignored by default unless you pass explicitly "{ '$self' => 0 }"
       to "ignore_vars".

       vars_ok($lib, %args)

       Tests $lib with %args.

       See "all_vars_ok".

MECHANISM
       "Test::Vars" is similar to a part of "Test::Perl::Critic",but the mechanism is different.

       While "Perl::Critic", the backend of "Test::Perl::Critic", scans the source code as texts,
       this modules scans the compiled opcode (or AST: abstract syntax tree) using the "B"
       module. See also "B" and its submodules.

CONFIGURATION
       "TEST_VERBOSE = 1 | 2 " shows the way this module works.

CAVEATS
       https://rt.cpan.org/Ticket/Display.html?id=60018

       https://rt.cpan.org/Ticket/Display.html?id=82411

DEPENDENCIES
       Perl 5.10.0 or later.

BUGS
       All complex software has bugs lurking in it, and this module is no exception. If you find
       a bug please either email me, or add the bug to cpan-RT.

SEE ALSO
       Perl::Critic

       warnings::unused

       B

       Test::Builder::Module

AUTHOR
       Goro Fuji (gfx) <gfuji(at)cpan.org>

LICENSE AND COPYRIGHT
       Copyright (c) 2010, Goro Fuji (gfx). All rights reserved.

       This library is free software; you can redistribute it and/or modify it under the same
       terms as Perl itself. See perlartistic for details.

perl v5.16.3				    2014-06-10				    Test::Vars(3)
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