part_generic.go

package mc

func SliceContains[V comparable](slice []V, v V) bool {
	for _, s := range slice {
		if s == v {
			return true
		}
	}
	return false
}

func SliceFilter[V any](slice []V, f func(V) bool) []V {
	var result []V
	for _, s := range slice {
		if f(s) {
			result = append(result, s)
		}
	}
	return result
}

func SliceMap[V any, R any](slice []V, f func(V) R) []R {
	var result []R
	for _, s := range slice {
		result = append(result, f(s))
	}
	return result
}

// PointerTo creates a pointer to bool
func PointerTo[V any](v V) *V {
	return &v
}

func PtrTo[V any](v V) *V {
	return PointerTo(v)
}

// ValueOr returns the default value if the value is empty
func ValueOr[V comparable](v V, alternatives ...V) V {
	zero := new(V)
	if v == *zero {
		if len(alternatives) == 0 {
			return *zero
		}
		for _, alternative := range alternatives {
			if alternative != *zero {
				return alternative
			}
		}
		return alternatives[len(alternatives)-1]
	}
	return v
}

func VarOr[V comparable](v V, alternatives ...V) V {
	return ValueOr(v, alternatives...)
}