golsky/cmd/generics.go

package cmd

// find an item in a list, generic variant
func Contains[E comparable](s []E, v E) bool {
	for _, vs := range s {
		if v == vs {
			return true
		}
	}

	return false
}

func Exists[K comparable, V any](m map[K]V, v K) bool {
	if _, ok := m[v]; ok {
		return true
	}
	return false
}