private static void UseClassesInMyStandardLibrary()
{
//调用MyStandardLibrary中类的方法
Console.WriteLine(LibraryInfo.About());
Console.WriteLine($"100+200={MathFunc.Add(100, 200)}");
}
private static void UseClassesInMyStandardLibrary()
{
//调用MyStandardLibrary中类的方法
Console.WriteLine(LibraryInfo.About());
Console.WriteLine($"100+200={MathFunc.Add(100, 200)}");
}