package mymap

func MapKeys[K comparable, V any](m map[K]V) []K {
	s := make([]K, 0, len(m))
	for k := range m {
		s = append(s, k)
	}
	return s
}

func MapVals[K comparable, V any](m map[K]V) []V {
	s := make([]V, 0, len(m))
	for _, v := range m {
		s = append(s, v)
	}
	return s
}

func MapKeysVals[K comparable, V any](m map[K]V) ([]K, []V) {
	ks, vs := make([]K, 0, len(m)), make([]V, 0, len(m))
	for k, v := range m {
		ks = append(ks, k)
		vs = append(vs, v)
	}
	return ks, vs
}