nazariyv · August 20, 2020 20:04
diff --git a/go-singleton.go b/go-singleton.go
 var once sync.Once

 // type global
 type singleton map[string]string

 var instance singleton

 func NewClass() singleton {
 	once.Do(func() { // <-- atomic, does not allow repeating
 		instance = make(singleton) // <-- thread safe
 	})
 	return instance
 }
	var once sync.Once

	// type global
	type singleton map[string]string

	var instance singleton

	func NewClass() singleton {
	once.Do(func() { // <-- atomic, does not allow repeating
	instance = make(singleton) // <-- thread safe
	})
	return instance
	}