generics/ptr.go

package generics

// Ptr returns pointer for given value.
func Ptr[T any](val T) *T {
	return &val
}

// Val returns value of given pointer or default value if pointer is nil.
func Val[T any](ptr *T) T {
	var val T
	if ptr != nil {
		val = *ptr
	}
	return val
}

// Fallback returns value of given pointer or fallback value if pointer is nil.
func Fallback[T any](ptr *T, fallback T) T {
	if ptr != nil {
		return *ptr
	}
	return fallback
}