NAME
VarGuard - safe clean blocks for variables
VERSION
Version 0.03
SYNOPSIS
use VarGuard;
{
var_guard { print "$_[0]\n" } my $scalar;
$scalar = 'abc';
} # print "abc\n"; when scalar is destroyed
{
var_guard { print "@_\n" } my @array;
...
}
{
var_guard { print "@_\n" } my %hash;
...
}
{
var_guard { $_[0]() } my $code;
$code = sub { ... };
...
}DESCRIPTION
This module is similar to Guard, except that this module is guard on a variable.
CAVEAT
This module will tie something on the variable. So don't use it on a tied variable, or tie the guarded variable.
EXPORT
var_guard
SUBROUTINES
var_guard { ...code block... } VAR(could be $, @, %, or any reference)
AUTHOR
Cindy Wang (CindyLinz)
BUGS
Please report any bugs or feature requests to bug-varguard at rt.cpan.org, or through the web interface at http://rt.cpan.org/NoAuth/ReportBug.html?Queue=VarGuard. I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.
LICENSE AND COPYRIGHT
Copyright 2011 Cindy Wang (CindyLinz).
This program is free software; you can redistribute it and/or modify it under the terms of either: the GNU General Public License as published by the Free Software Foundation; or the Artistic License.
See http://dev.perl.org/licenses/ for more information.