"More Expression-Bodied Members"

class MyClass {
	int _age;
	
	// Property getter and setter
	public int Age { 
		get => _age;
		set => _age = value >= 0 ?? value : throw new ArgumentOutOfRangeException(nameof(value));
	
	// Constructor
	public MyClass(int age) => Age = age;
	
	// Finalizer
	~MyClass() => ResourceManager.NotifyFinalizedMyClass(this);
}