C# 中的匿名方法可以调用自身吗? [英] Can an anonymous method in C# call itself?

问题描述

我有以下代码:

class myClass
{
private delegate string myDelegate(Object bj);

protected void method()
   {
   myDelegate build = delegate(Object bj)
                {
                    var letters= string.Empty;
                    if (someCondition)
                        return build(some_obj); //This line seems to choke the compiler
                    else string.Empty;

                };
   ......
   }
}

是否有另一种方法可以在 C# 中设置匿名方法，使其可以调用自身?

Is there another way to set up an anonymous method in C# such that it can call itself?

推荐答案

你可以把它分解成两条语句，利用捕获变量的魔力来达到递归的效果:

You can break it down into two statements and use the magic of captured variables to achieve the recursion effect:

myDelegate build = null;
build = delegate(Object bj)
        {
           var letters= string.Empty;
           if (someCondition)
               return build(some_obj);                            
           else string.Empty;
        };

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