重载运算符

可重载和不可重载运算符

internal class Program
    {
        static void Main(string[] args)
        {
            Animal animal1 = new Animal("旺财",2);
            Animal animal2 = new Animal("咪咪",3);
            Console.WriteLine($"animal1长大一岁{animal1++._age}");
            Console.WriteLine($",animal1和animal2同名吗{animal1 == animal2}");
            Console.ReadKey();
        }
    }

    public class Animal
    {
        public int _age = 0;
        public string _name = "";
        public Animal(string name,int age)
        {
            this._name = name;
            this._age = age;
        }
        public static Animal operator ++(Animal animal1)
        {
            animal1._age++; 
            return animal1;
        }
        public static bool operator ==(Animal animal1,Animal animal2)
        {
            if (animal1._name == animal2._name)
                return true;
            return false;
        }
        public static bool operator !=(Animal animal1, Animal animal2)
        {
            if (animal1._name == animal2._name)
                return true;
            return false;
        }
    }