你如何定义Lambdas运算符？ => [英] How do you define the Lambdas operator? =>

问题描述

您好。 lambda操作符究竟是什么，我应该如何在脑中定义它？例如：

Hello. What exactly is the lambdas operator, and how should I define it in my head? For example:

x = y; //x is the same number as y.

if (x != y) //if x and y are different numbers do this, this, and this.
{
//this, this, and this
}
//How should I read this?
if (currentRoom.roomEnemies.Count(roomEnemies => roomEnemies != null) == 0)
{
Console.WriteLine("There are no enemies in here.");
}

更多例子会很棒。提前谢谢你。

Some more examples would be great. Thank you in advance.

推荐答案

所有的lambda都是一个伸出来的方法。

All a lambda is, is a method that has been "stretched out".

x => x + 1;

是等效的写作

Is the equivalent of writing

private int MyMethod(int x)
   {
   return x + 1;
   }

除了使用它们之外，它们还有很多（例如，整个Linq依赖于它们），但是要了解详细信息，请参阅MSDN： Lambda表达式（C＃编程指南） [ ^ ]

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