#!perl -w
# a test script template
use strict;
use constant HAS_LEAKTRACE => eval{ require Test::LeakTrace };
use Test::More HAS_LEAKTRACE ? (tests => 1) : (skip_all => 'require Test::LeakTrace');
use Test::LeakTrace;
use threads; # for example
leaks_cmp_ok{
my $thr = async{
my $i;
$i++;
};
$thr->join();
} '<', 1;