use strict; use warnings FATAL => 'all';
use Lowu;
my $hs = +{
foo => 1,
bar => 2,
baz => 3,
};
my $res = $hs->kv_grep(sub { $_[1] > 1 });
is_deeply
$res->unbless,
+{ bar => 2, baz => 3 },
'boxed kv_grep ok';
done_testing