A decent use of generics, safe derefence

ptr.go

// Package ptr implements a simple pointer instrumentation.
// As it is based on Go generics, the minimal Go version is 1.18.
// Credit to https://github.com/candiduslynx/ptr/ and https://gist.github.com/bkono/8f832566e6c2875d7cede15e46aa9d58
package ptr

// Deref will deref the pointer if it can, otherwise it will return either a fallback if provided, or a default value for T
func Deref[T any](pointer *T, fallback ...T) T {
	if pointer != nil {
		return *pointer
	}

	var result T
	if len(fallback) > 0 {
		result = fallback[0]
	}

	return result
}

// Ref will return a pointer to the value.
func Ref[T any](value T) (pointer *T) { return &value }