C # Lambda learns a

Using system;using system.collections.generic;using system.linq;using system.text;using System.Threading.Tasks;            Namespace delegatedemo1{class Program {static void One () {Console.WriteLine ("one");        throw new Exception ("Error in one");        } static void () {Console.WriteLine ("n");            } static void Main (string[] args) {string mid = ", middle part,";            /*func<string, String>: Accepts a string argument, returns a string in this anonymous method cannot use Break,goto,continue to jump outside of the function, nor to jump inside                func<string, string> Anondel = delegate (string param) {param + = mid;                param + = "and this is End";            return param;            };            Console.WriteLine (Anondel ("Start")); /*lambda =&gt: The required parameters are listed on the left (param) lambda +: The right defines the code that assigns the method implementation of the lambda variable */func<str ing, string> lambda = param => {param + = mid;                param + = "and this is End";            return param;            };            Console.WriteLine (Anondel ("lambda")); Lambda a parameter compiler adds an implicit return statement func<string, string> Oneparam = s = = string.            Format ("Change uppercase {0}", S.toupper ()); Add the return statement shown func<string, string> oneparamr = s = = {return string.            Format ("Change uppercase {0}", S.toupper ());            };            Console.WriteLine ("Oneparam is" + Oneparam ("Test"));            Lambda two parameter compiler adds an implicit return statement func<double, double, double> towparams = (x, y) + x * y; Add the return statement shown func<double, double, double> TOWPARAMSR = (x, y) + = {Retur            n x * y;            };            Console.WriteLine ("Towparams is" + towparams (3,2));        Console.readkey (); }    }}

C # Lambda learns a