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$ perl -MDevel::Peek -MScalar::Util=weaken -le " sub fudge { my $f = s +ub { print 1; }; Dump($f); weaken $f; Dump($f); $f; } $f = fudge(); $ +f->(); Dump($f);" SV = IV(0x3f8d18) at 0x3f8d1c REFCNT = 1 ... PADNAME = 0x99aae4(0x9a7d1c) PAD = 0x3f8d0c(0x9a7b44) OUTSIDE = 0x99aa74 (fudge)
my $foo = { kid => { } }; $foo->{kid}{parent} = $foo; weaken $foo->{kid}{parent};
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