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/cvs/Devel-FindRef/t/02_array_hash_weaken.t
Revision: 1.1
Committed: Fri Jun 23 14:40:34 2017 UTC (6 years, 11 months ago) by root
Content type: application/x-troff
Branch: MAIN
CVS Tags: rel-1_46, rel-1_45, HEAD
Log Message:
*** empty log message ***

File Contents

# User Rev Content
1 root 1.1 BEGIN { $| = 1; print "1..4\n"; }
2    
3     use Devel::FindRef;
4     use Scalar::Util qw(weaken);
5    
6     my $y;
7     my @y = (2, \$y, [4, 5, \$y, \$y], {a => \$y});
8     weaken $y[2][2];
9    
10     #print
11     Devel::FindRef::track \$y;
12     print "ok 1\n";
13    
14     sub THREE { 3 }
15    
16     #print
17     Devel::FindRef::track \THREE;
18    
19     print "ok 2\n";
20    
21     my $sub; $sub = sub {
22     if( $_[0] ) {
23     my $x = \$_[0];
24     --$$x;
25     $sub->($_[0]);
26     } else {
27     #print
28     Devel::FindRef::track \$_[0];
29     }
30     };
31    
32     my $level = 3;
33     $sub->($level);
34    
35     print "ok 3\n";
36    
37     sub {
38     my $a = \$_[0];
39     my $b = \$a;
40     #print
41     Devel::FindRef::track \$_[0];
42     }->(20);
43     print "ok 4\n";