private static void 泛型方法()
{
//普通泛型方法
var accounts = new List <Account>()
{
new Account("Christian", 1500),
new Account("Stephanie", 2200),
new Account("Angela", 1800),
new Account("Matthias", 2400)
};
WriteLine("普通泛型方法");
decimal balance1 = Algorithms.AccumulateSimple(accounts);
WriteLine(balance1);
//带约束的泛型方法
var accounts1 = new List <IAccount>()
{
new Account1("Christian", 1500),
new Account1("Stephanie", 2200),
new Account1("Angela", 1800),
new Account1("Matthias", 2400)
};
WriteLine("带约束的泛型方法");
decimal balance2 = Algorithms.AccumulateSimple1 <IAccount>(accounts1);
decimal balance3 = Algorithms.AccumulateSimple1(accounts1);//编译器会从方法的参数类型中自动推断出泛型类型参数 这两种调用方式是一样的
WriteLine(balance2);
WriteLine("带委托的泛型方法");
var accounts3 = new List <Account>()
{
new Account("Christian", 1500),
new Account("Stephanie", 2200),
new Account("Angela", 1800),
new Account("Matthias", 2400)
};
decimal amount = Algorithms.AccumulateSimple2 <Account, decimal>(accounts3, (account, sum) => sum += account.Balance);
}
