[C#版本]有趣啊！各种编程语言实现2+2=5

2019-11-14 16:36:47

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首页新闻里面那个

[新闻头条]有趣啊！各种编程语言实现 2 + 2 = 5

其他的就不评论的,但是其中C#版的真是逗比啊...评论中各种吐槽有木有...

static void Main (string[] args){    var x = 2;    var y = 2;    if (1 == 0) ;    {        ++x;    }    Console.WriteLine (x + y);}

所以我闲来无聊 ~~ 也来实现一个....

static void Main(string[] args){    using (var p = new CSharpCodePRovider())    {        Console.SetOut((TextWriter)p.CompileAssemblyFromSource(new CompilerParameters() { GenerateExecutable = false, GenerateInMemory = true, IncludeDebugInformation = false }, "using System.IO;using System.Text;class a:TextWriter{TextWriter _;public a(TextWriter w){_=w;}public override void Write(char v){_.Write(v=='4'?'5':v);} public override Encoding Encoding{get{return _.Encoding;}}}").CompiledAssembly.GetTypes()[0].GetConstructor(new[] { typeof(TextWriter) }).Invoke(new object[] { Console.Out }));    }    Console.WriteLine("{0}+{1}={2}", 2, 2, 2 + 2);}