摘要： 先看代码：View Code 1 class Program 2 { 3 static void Main() 4 { 5 Func<int, bool> func1 = new Func<int, bool>(isPositive); 6 7 Func<int, bool> func2 = isPositive; 8 9 int b = 5;10 Func<int, bool> func3 = delegate(int a)11 ... 阅读全文