| 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"; |
