|  line  | 
 stmt  | 
 bran  | 
 cond  | 
 sub  | 
 pod  | 
 time  | 
 code  | 
| 
1
 | 
1
 | 
 
 | 
 
 | 
  
1
  
 | 
 
 | 
1150
 | 
 use 5.008;  | 
| 
 
 | 
1
 | 
 
 | 
 
 | 
 
 | 
 
 | 
4
 | 
    | 
| 
 
 | 
1
 | 
 
 | 
 
 | 
 
 | 
 
 | 
37
 | 
    | 
| 
2
 | 
1
 | 
 
 | 
 
 | 
  
1
  
 | 
 
 | 
5
 | 
 use strict;  | 
| 
 
 | 
1
 | 
 
 | 
 
 | 
 
 | 
 
 | 
2
 | 
    | 
| 
 
 | 
1
 | 
 
 | 
 
 | 
 
 | 
 
 | 
24
 | 
    | 
| 
3
 | 
1
 | 
 
 | 
 
 | 
  
1
  
 | 
 
 | 
4
 | 
 use warnings;  | 
| 
 
 | 
1
 | 
 
 | 
 
 | 
 
 | 
 
 | 
2
 | 
    | 
| 
 
 | 
1
 | 
 
 | 
 
 | 
 
 | 
 
 | 
46
 | 
    | 
| 
4
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
5
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 package once;  | 
| 
6
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 BEGIN {  | 
| 
7
 | 
1
 | 
 
 | 
 
 | 
  
1
  
 | 
 
 | 
19
 | 
   $once::VERSION = '1.101420';  | 
| 
8
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 }  | 
| 
9
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
10
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 # ABSTRACT: Execute code only once throughout the program's lifetime  | 
| 
11
 | 
1
 | 
 
 | 
 
 | 
  
1
  
 | 
 
 | 
5
 | 
 use Exporter qw(import);  | 
| 
 
 | 
1
 | 
 
 | 
 
 | 
 
 | 
 
 | 
1
 | 
    | 
| 
 
 | 
1
 | 
 
 | 
 
 | 
 
 | 
 
 | 
138
 | 
    | 
| 
12
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 our @EXPORT  = qw(ONCE);  | 
| 
13
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
14
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 sub ONCE (&) {  | 
| 
15
 | 
48
 | 
 
 | 
 
 | 
  
48
  
 | 
  
1
  
 | 
656
 | 
     my $code = shift;  | 
| 
16
 | 
48
 | 
 
 | 
 
 | 
 
 | 
 
 | 
52
 | 
     our %seen;  | 
| 
17
 | 
48
 | 
 
 | 
 
 | 
 
 | 
 
 | 
168
 | 
     my ($package, $filename, $line) = caller;  | 
| 
18
 | 
48
 | 
  
100
  
 | 
 
 | 
 
 | 
 
 | 
210
 | 
     unless ($seen{"ONCE $package $filename $line"}++) {  | 
| 
19
 | 
4
 | 
 
 | 
 
 | 
 
 | 
 
 | 
10
 | 
         $code->();  | 
| 
20
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
     }  | 
| 
21
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 }  | 
| 
22
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 1;  | 
| 
23
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
24
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
25
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 __END__  |