// accept partial match that may produce full match later.
	ok, partial = m.filter.matches(elem, m.matchFunc)
	if !ok {
		return name, false, false
	}

	// skip must not match.
	// ignore partial match so we can get to more precise match later.
	skip, partialSkip := m.skip.matches(elem, m.matchFunc)
	if skip && !partialSkip {
		return name, false, false
	}

	return name, ok, partial
}