use strict;
use warnings;
{  
   package tools;
   use Data::Dumper;
   use Hook::LexWrap;
   use Attribute::Handlers;
	sub UNIVERSAL::Debug :ATTR(CODE) {
			wrap $_[1], pre  => sub { pop; print Dumper({'Pre'  => \@_ })},
						post => sub { pop; print Dumper({'Post' => \@_  })},
	}

	sub UNIVERSAL::Method :ATTR(CODE) {
			my ($package, $symbol, $referent, $attr, $data, $phase) = @_;
			wrap $_[1], pre  => sub {  my $self = shift; 
                                       die "Must be used as a method" unless ref($self) eq $package;
			                        };
	}
	
	

}
{
	package Test;
	sub method_test :Method {
		print "This should be called on a reference\n";
	}
}

package main;
sub foo : Debug { print "This is the end!\n"; return 123;};
foo(1,2,3);

my $x = bless {}, 'Test';
$x->method_test();

Test::method_test('hello');
__DATA__

$VAR1 = {
          'Pre' => [
                     1,
                     2,
                     3
                   ]
        };
This is the end!
$VAR1 = {
          'Post' => [
                      1,
                      2,
                      3
                    ]
        };
This should be called on a reference
Must be used as a method at attributes.pl line 16.