An implementation of Devel::GlobalDestruction in pure Perl - use GFx::WebLog; perlobj.podから use strict; use warnings; package Subtle; sub new { my $test; $test = \$test; warn "CREATING " . \$test; return bless \$test; } sub DESTROY { my $self = shift; warn "DESTROYING $self"; } package main; warn "starting program"; { my $a = Subtle->new; my $b = Subtle->new; $$a = 0; # break selfref warn "leaving