public void EighthDelegateMethod(EighthDelegate methodF, EighthDelegate1 methodString1, EighthDelegate2 methodString2)
{
EighthDelegate eighthDelegate = methodF;
EighthDelegate3 eighthDelegate3 = eighthDelegate.Invoke(new EighthDelegate1(methodString1), new EighthDelegate2(methodString2));
Console.WriteLine(eighthDelegate3.Invoke());
}
public static EighthDelegate3 MethodF(EighthDelegate1 eighthDelegate1, EighthDelegate2 eighthDelegate2) => () => eighthDelegate1.Invoke() + eighthDelegate2.Invoke();