|  line  | 
 stmt  | 
 bran  | 
 cond  | 
 sub  | 
 pod  | 
 time  | 
 code  | 
| 
1
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 package VarGuard::Hash;  | 
| 
2
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
3
 | 
1
 | 
 
 | 
 
 | 
  
1
  
 | 
 
 | 
7
 | 
 use strict;  | 
| 
 
 | 
1
 | 
 
 | 
 
 | 
 
 | 
 
 | 
2
 | 
    | 
| 
 
 | 
1
 | 
 
 | 
 
 | 
 
 | 
 
 | 
48
 | 
    | 
| 
4
 | 
1
 | 
 
 | 
 
 | 
  
1
  
 | 
 
 | 
7
 | 
 use warnings;  | 
| 
 
 | 
1
 | 
 
 | 
 
 | 
 
 | 
 
 | 
2
 | 
    | 
| 
 
 | 
1
 | 
 
 | 
 
 | 
 
 | 
 
 | 
39
 | 
    | 
| 
5
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
6
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 =head1 NAME  | 
| 
7
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
8
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 VarGuard::Hash - safe clean blocks for variables  | 
| 
9
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
10
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 =head1 SYNOPSIS  | 
| 
11
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
12
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 see VarGuard  | 
| 
13
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
14
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 =cut  | 
| 
15
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
16
 | 
1
 | 
 
 | 
 
 | 
  
1
  
 | 
 
 | 
2075
 | 
 use Tie::Hash;  | 
| 
 
 | 
1
 | 
 
 | 
 
 | 
 
 | 
 
 | 
8983
 | 
    | 
| 
 
 | 
1
 | 
 
 | 
 
 | 
 
 | 
 
 | 
45
 | 
    | 
| 
17
 | 
1
 | 
 
 | 
 
 | 
  
1
  
 | 
 
 | 
14
 | 
 use base qw(Tie::StdHash);  | 
| 
 
 | 
1
 | 
 
 | 
 
 | 
 
 | 
 
 | 
2
 | 
    | 
| 
 
 | 
1
 | 
 
 | 
 
 | 
 
 | 
 
 | 
782
 | 
    | 
| 
18
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
19
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 my %cb;  | 
| 
20
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
21
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 sub TIEHASH {  | 
| 
22
 | 
0
 | 
 
 | 
 
 | 
  
0
  
 | 
 
 | 
 
 | 
     my $class = shift;  | 
| 
23
 | 
0
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
     my $self = $class->SUPER::TIEHASH;  | 
| 
24
 | 
0
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
     $cb{0+$self} = $_[0];  | 
| 
25
 | 
0
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
     return $self;  | 
| 
26
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 }  | 
| 
27
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
28
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 sub DESTROY {  | 
| 
29
 | 
0
 | 
 
 | 
 
 | 
  
0
  
 | 
 
 | 
 
 | 
     my $self = shift;  | 
| 
30
 | 
0
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
     my $cb = delete $cb{0+$self};  | 
| 
31
 | 
0
 | 
  
  0
  
 | 
 
 | 
 
 | 
 
 | 
 
 | 
     $cb->(%$self) if( $cb );  | 
| 
32
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 }  | 
| 
33
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
34
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 1;  |