static void Main2(string[] args)
{
#region IDisposable
Stopwatch sw = new Stopwatch();
TestDisponsable test = new TestDisponsable();
try
{
test.DoSomething();
}
finally
{
test.Dispose();
}
#endregion
#region 泛型方法测试
showInt(1);
showObj(1);
show <int>(1);
string result = string.Empty;
int count = 1;
//测量一个时间间隔的运行时间 ElapsedMilliseconds 毫秒
Stopwatch watch = Stopwatch.StartNew();
for (int i = 0; i < count; i++)
{
showInt(1111);
}
watch.Stop();
var t1 = watch.ElapsedMilliseconds;
watch.Restart();
for (int i = 0; i < count; i++)
{
showObj(1111);
}
watch.Stop();
var t2 = watch.ElapsedMilliseconds;
watch.Restart();
for (int i = 0; i < count; i++)
{
show <int>(1111);
}
watch.Stop();
var t3 = watch.ElapsedMilliseconds;
Console.WriteLine($"{t1}-{t2}-{t3}");
#endregion
#region 泛型类测试
BaseClas <int> baseInt = new BaseClas <int>();
baseInt._T = 123;
BaseClas <string> baseString = new BaseClas <string>();
baseString._T = "sun";
#endregion
#region 泛型接口
#endregion
#region 约束泛型
People people = new People()
{
Id = 1,
Name = "people"
};
Chinese cn = new Chinese()
{
Id = 1,
Name = "Chinese",
};
Anhui ah = new Anhui()
{
Id = 1,
Name = "anhui",
};
Japen japen = new Japen()
{
Id = 1,
Name = "japen"
};
//输出id 和 name
//showObj2(people);
//showObj2(cn);
//showObj2(ah);
//showObj2(japen); //会出错
show2(people);
show2(cn);
show2(ah);
//show2(japen);
Animal animal = new Animal();
animal.Name = "动物";
Dog dog = new Dog();
dog.Name = "狗";
dog.age = 2;
Animal dog2 = new Dog();
//List<Animal> list = new List<Dog>();
//协变
IEnumerable <Animal> list = new List <Dog>();
Func <Animal> func = new Func <Dog>(() => null);
IBaseClass2Out <Animal> list2 = new BaseClass2 <Dog>();
Console.ReadKey();
#endregion
}