$ops{stat} = 13;
$ops{caller} = sub { my @a = caller 0; scalar @a }->();
$ops{localtime} = do { my @a = localtime; scalar @a };
$ops{stat} = 13;
$ops{caller} = sub { my @a = caller 0; scalar @a }->();
$ops{localtime} = do { my @a = localtime; scalar @a };