C#中的委托,匿名方法和Lambda表达式用法举例

From , 5 Years ago, written in C#, viewed 95 times.

 
class Customer 
{ 
    public int ID { get; set; } 
    public static bool Test(Customer x) 
    { 
        return x.ID == 5; 
    } 
} 
... 
List<Customer> custs = new List<Customer>(); 
custs.Add(new Customer() { ID = 1 }); 
custs.Add(new Customer() { ID = 5 }); 
  
custs.First(new Func<Customer, bool>(delegate(Customer x) { return x.ID == 5; })); 
custs.First(new Func<Customer, bool>((Customer x) => x.ID == 5)); 
custs.First(delegate(Customer x) { return x.ID == 5; }); 
custs.First((Customer x) => x.ID == 5); 
custs.First(x => x.ID == 5); 
custs.First(Customer.Test);
 
 
//csharp/4884

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C#中的委托,匿名方法和Lambda表达式用法举例

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