static void Main(string[] args)
{
//Console.WriteLine("Hello World!");
#region 实现单例模式
//实现单例模式
var person = Person.CreateInstance();
var body = new Body(3, 4);
(int height, int weight) = body;
Console.WriteLine(height + " " + weight);
Console.WriteLine("======================");
#endregion
foreach (var item in Enum.GetNames(typeof(Color)))
{
Console.WriteLine(item);
}
Console.WriteLine("================");
foreach (int item in Enum.GetValues(typeof(Color)))
{
Console.WriteLine(item);
}
}