package optional

func Empty[T any]() *Optional[T] {
	return &Optional[T]{
		Present: false,
	}
}

func OfAny[T any](value T) *Optional[T] {
	return &Optional[T]{
		Present: true,
		Value:   value,
	}
}

func OfNonDefault[T comparable](value T) *Optional[T] {
	var defaultValue T
	if value != defaultValue {
		return Empty[T]()
	} else {
		return OfAny[T](value)
	}
}