[3.24] delegate 복습

1. 반환값이 없는 delegate

using System;

namespace Study10
{
    //대리자 선언
    public delegate void GoHome();
    public delegate void Say(string message);

    public class CarDriver
    {
        public CarDriver()
        {

        }

        public static void GoLeft()
        {
            Console.WriteLine("좌회전");
        }

        //식 람다를 통한 함수선언
        public static void GoRight() => Console.WriteLine("우회전");

        public static void GoForward() => Console.WriteLine("직진");
    }

    public class Mic
    {
        bool broken = false;
        public Mic(bool broken)
        {
            this.broken = broken;
        }

        public void Speak(string message)
        {
            if (!broken)
            {
                Console.WriteLine(message);
            }
            else
            {
                char[] brokenMessage = message.ToCharArray();
                for (int i = 0; i < brokenMessage.Length; i++)
                {
                    Console.Write(brokenMessage[i]);
                    if (i == (brokenMessage.Length - 2) / 2)
                    {
                        Console.Write("...");
                    }
                }
                Console.WriteLine("...");
            }
        }
    }

    public class App
    {
        public App()
        {
            GoHome go = new GoHome(CarDriver.GoLeft);       //C# 1.0
            go += CarDriver.GoRight;                        //최신 방법
            go += CarDriver.GoForward;
            go();
            Console.WriteLine();

            Console.WriteLine("go -= CarDriver.GoRight");
            go -= CarDriver.GoRight;
            go();

            Console.WriteLine();

            Mic mic1 = new Mic(false);
            Mic mic2 = new Mic(true);
            Say say = mic1.Speak;
            say += mic2.Speak;

            say("무야호");
        }
    }
}

 

2. 반환값이 있는 delegate

using System;

namespace Study10
{
    public delegate void DelPrint(string msg);
    public delegate string DelPrintWithLogo(string logo, string msg);

    public class Printer
    {
        public Printer()
        {

        }

        public void Print(string msg)
        {
            Console.WriteLine(msg);
        }

        public string PrintWithLogo(string logo, string msg)
        {
            return msg + '\n' + logo;
        }
    }

    public class App
    {
        public App()
        {
            Printer printer = new Printer();
            DelPrint delPrint = printer.Print;

            delPrint("무한?");

            DelPrint delPrint2 = delegate (string msg)
            {
                Console.WriteLine("*** 무명메서드 ***");
                Console.WriteLine(msg);
            };

            delPrint2("무야호");

            DelPrint delPrint3 = (msg) =>
            {
                Console.WriteLine("*** 람다식 ***");
                Console.WriteLine(msg);
            };

            delPrint3("그만큼 신나시다는 거지");

            string logo = @"oooddxxxkXMWNXXXXKKKKKKKKKKKKKKKKK000000000000000000000000000000000000000000000000000000000000000000
ooooddxxkXMWNNNXXXXXXKKKKKKKKKKKKKK00000000000000000000000000000000000000000000000000000000000000000
ooooddddkXMWWNNNXXXXXXXXXKKKKKKKKKKK0000000000000000000000000000000000000000000000000000000000000000
dxxxxxxkOXWWWWNNNNNNXXXXXXXXXKKKKKKK0000000000000000000000000000000000000000000000000000000000000000
xxxkOkkk0NXxkO0K0O0KNNNXXXXXXXXKKKKKK000000000000000000000000000000000000000000000000000000000000000
olcodcllxN0lclk0kkxONNNNNNNXXXXXKKKKKK00000000000000000000000000000000000000000000000000000000000000
OOxxkOOxkXXOkO0KXX00XNNNNNNNXXXXXKKKKK00K0000OOOOOO0000000000000000000KKKKKKKKKKK0000000000000000000
ooooooooxXWWWWWNNNNNNWNNNNNNNNXXXKKKK0OkkxdollcccccclllloxkO0KK000KKKKKKKKKKKKKKK0000000000000000000
llooooolxXMMMMMMMWWWWWNNNNNNNNXXXKOxddlclllllooc,,,;cll,..',;lx0KKKKKKKKKKKKKKKKKKKK0000000000000000
lllloolldXMMWWMMMWWWWWNNNNNNNXXKxl;,:lccc:c:::::,'.';cc'.......cOKKKKKKKKKKKKKKKKKKK0000000000000000
lllooooldKMWWWWWWWWWWWNNNNNNNXk:'...............................,xKKKKKKKKKKKKKKKKKK0000000000000000
lllooooloKWWNNWWWWWNNNNNNNNXkl'..      ..........................,xKKKKKKKKKKKKKKKKK0000000000000000
llllolllo0WNXXNNNWNNNNNNNXk:..      .............................'cOKKKKKKKKKKKKKKKK0000000000000000
cllllllloONX0OkxO0Oxk0XXXd.        .....',;;;;;;;,''............':cldOKKKKKKKKKKKKKKKK00000000000000
,llllllclk0KOdololc:lOKKKk;.'.. ......',;::cccc::,,'.............,;clok0KKKKKKKKKKKKKK00000000000000
':lllllclxOOxolcc::cxO000xl::;'.';,,'',;;;::ccc:;,''.'''''';:,''',,;clox0XKKKKKKKKKKK000000000000000
.;cllllcldkkxollc::lkOOOdc::,,;:lc:;,,;;;;;::cc:;;,,,,;;;;;::c,.',,,:llod0KKKKKKKKKKK000000000OOOOOO
.':llllccoxxxolc:::lxOko:;;::::odoccccccc::cccclc::::::::::cccc;',;;clollkXXKKKKKKKKKK0000000OOOOOOO
..;cllcccodxxolc::ccoxoc::cclllodolccccc:;;;;;::;,,,,;;:::::::c:;;;:llold0XXKXKKKKKKKKK000000OOOOOOO
:'':llcccodddolccccclllcccoxdllolc:;:::::;,,,,,;,,,,;;;;;;,,,;::ccclloolxKXXXXXXXKKKKKK0000000OOOOOO
:'.;llcccldddolccclllllllcokxlldoc;;;::c::;,,,,,,,,;;;;;;;,,;;::looooodox0XXXXXXXXXKKKK00000000OOOOO
'..,clcccloddolllllllllllclxkxddol::ccc:;,,,''''''''',;;::;;;:::clloodddox0NNXXXXXXKKKKK000000OOOOOO
;..':cc:cloddolllllllcccllldkkkxxollll:;::::;;;;:::::;;;;:;;;;:clollooddood0NNXXXXXXKKKK00000OOOOOOO
:...;cc::loddolllllllclllllloodxdocccccc::::;;;;::::::;;;;;,;:cloodolloooood0XNXXXXXKKKK000OOOOOOOOO
l:,.':c::cooolcllllccccllllllc:cc:::::::::::;;:;;;;;:cc::ccccloolloolllooooookO0KXX0kdoodkOOOOOOOOOO
cllc;::::lol:,;clccccccllllllc:::clol:;,''.''''''',;:;;;;:clllllllllccclodxxolc:clc;'....':dkkkkkkkk
,col:,,,',,,'.';::cc::cccc:::cloxkkOOxlc:,'................',;;::::c:::ldkkxo:'............'cxkkkkkk
';ll:,'..........''',,;;;:codkOkkkko:;:c:;,'....................'',,,;:ccl;'.................;oxkkkk
.,coc;'................'cxkkkkkkOx:...''''...........................'.........................,;;:c
'',;;'..................cxkkkkkkko,.............................    ................................
c,....................;oxkkkkOOkd:............................      ................................
l;.....................''',;::;,...................................  ...............................
;.....................          ..................'.................... ...........................'
,......................            ...............,;,......'.........  .............................
'......................... ......................,:od,....'c;..'cl'.   .............................
................................................,x0K0d,...',',oOKo'. ...............................
.........................  ..'..........:c,.....oKKKKKd'..'cx0KKOc..................................
..........................  .,col;'....'xKOxc,.;OXKKKK0d;cx0KKKKk;..................................
...............................:k00kdl:lOKKKKOxkKKKKKKKK0KXKKKKKx;';::cll;'... .....................
................................,o0KKKK0KKKKKKKKKKKKKKKKKKKKKKKK0000KKK0x:'...'',;;,................
..........................,:;;;;,:d0KKK0xdoxkkox0KKKKKKXKKKKKXKKKK0Odo:;::cdkO00ko;.................
.........................'o:.'ll'.:O00Oc';;',,.'o0KKKKKKKKKKKKKKKK0x,.;c,.:O00xoc;'.  .'............
..........................lo;:ll::d000x,'dx;...,oO0OxccldkOddOKKKKK0c.:o;'dkocll::c:;;:ll. .........
.........................:lllccccloxO0Oo;;;;::.'o0KOddkxoc::d0KKKKK0Oc..,oxl;cxl:;:cc::c,.  ........
........................:xkddc.'cddk0KKK0OOO0x,l00KKKKKKK0O0KKKXK0xll:,,;clokO0Odc:c:;,.     .......
........................,coxOkc:k00KKKKKKKKKKOdk0KXXKKKKKKKKKKKKKK0OOOOOOOOO00Oxoc;'...        .....
....................    ....,:cok0KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK00xl:,'........        ....
  .................       .....'lOK000K0KK000000000000KK0KKK0KKK0000KK0000Od;'............       ...
    ..............        ....;dO000OO0000000000000000000000000000000000000Oxc'...............      
           .....            .:xOkkkkkkOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOkkl'................  ..";

            DelPrintWithLogo delPrint4 = printer.PrintWithLogo;
            Console.WriteLine(delPrint4(logo, " 무야호"));
        }
    }
}

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