yhliaoluan

int auto_clean() {
  SOCKET socket = socket(AF_INET, SOCK_STREAM, 0);
  unique_ptr<SOCKET, void (*)(SOCKET *)> ac(&socket,
    [](SOCKET *s) { closesocket(*s); });
}

yhliaoluan

//https://gist.github.com/JeffreyZhao/297760dcff8c066606e8
public class Parser<T, TResult> {

    public static Func<T, TResult> Func = Emit();

    private static Func<T, TResult> Emit() {
        var method = new DynamicMethod(string.Empty, typeof(TResult), new[] { typeof(T) });
        var il = method.GetILGenerator();
        il.Emit(OpCodes.Ldarg_0);
        il.Emit(OpCodes.Ret);