static void Main(string[] args)
{
{
Tuple <int, int, int, int, int, int, int, Tuple <int> > t = new Tuple <int, int, int, int, int, int, int, Tuple <int> >(1, 2, 3, 4, 5, 6, 7, new Tuple <int>(8));
}
{
Anomymous anomymous = new Anomymous();
anomymous.CallAnomymous(11);
anomymous.CallAnomymous(22);
anomymous.CallAnomymous(33);
}
{
List <Employee> employees = new List <Employee>()
{
new Employee("first1", "last1"),
new Employee("first2", "last2"),
new Employee("first3", "last3"),
new Employee("first4", "last4")
};
Predicate <Employee> fun = (Employee e) => e.FullName.Contains("first3");
Employee emp1 = employees.Find(e => e.FullName.Contains("first3"));
Employee emp2 = employees.Find(fun);
Employee emp3 = employees.Find(FindEmployee);
}
{
DateTime d1 = new DateTime(2070, 1, 1);
DateTime d2 = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day);
DateTime d4 = DateTime.SpecifyKind(DateTime.Today, DateTimeKind.Unspecified);
DateTime d3 = DateTime.ParseExact("20181002", "yyyyMMdd", System.Globalization.CultureInfo.InvariantCulture);
}
{
IEnumerable <Person> persons = new List <Person>()
{
new Person()
{
FirstName = "f1", LastName = "l1", Age = 15
},
new Person()
{
FirstName = "f2", LastName = "l2", Age = 15
},
new Person()
{
FirstName = "f3", LastName = "l3", Age = 15
},
new Person()
{
FirstName = "f4", LastName = "l4", Age = 15
}
};
var query = from person in persons.AsQueryable()
select persons;
}
{
NameValueCollection nvc = new NameValueCollection();
}
{
dynamic obj = new ExpandoObject();
FlagEnum color = (FlagEnum)(FlagEnum.Red - FlagEnum.Blue);
Type type = typeof(FlagEnum);
FlagEnum red = FlagEnum.Red;
bool isBlue = color.HasFlag(FlagEnum.Blue);
string desc = (red.GetType().GetField(red.ToString()).GetCustomAttributes(typeof(System.ComponentModel.DescriptionAttribute), false)[0] as System.ComponentModel.DescriptionAttribute).Description;
}
{
var a = new Animal <string>();
Person p = new Person {
FirstName = "", Age = 5
};
p.Print <int>(5);
p.MyEvent1 += (sender, n) => Console.WriteLine("MyEvent1 fired");
p.MyEvent1 += delegate { Console.WriteLine("MyEvent1 fired"); };
p.MyEvent2 += (sender, n) => Console.WriteLine("MyEvent2 fired");
p.TriggerEvent();
}
{
List <Person> people = new List <Person>()
{
new Person()
{
Age = 10
},
new Person()
{
Age = 20
},
new Person()
{
Age = 30
},
new Person()
{
Age = 40
}
};
var readonlyP = people.AsReadOnly();
readonlyP[0].Age = 100;
IZoo <Animal> aniZoo = new Zoo <Animal>();
aniZoo.Add(new Animal());
IZoo <Bird> birdZoo = new Zoo <Bird>();
birdZoo.Add(new Bird());
birdZoo = aniZoo;
IProcessor <Animal> animalProcessor = new AnimalProcessor <Animal>();
IProcessor <Animal> animalProcessor2 = new AnimalProcessor <Bird>();
}
{
ReturnAnimalDelegate a = GetAnimal;
ReturnAnimalDelegate a2 = GetBird;
ReturnBirdDelegate b = GetBird;
//ReturnBirdDelegate b2 = GetAnimal;
TakeAnimalDelegate ta = Eat;
//TakeAnimalDelegate ta2 = Fly;
TakeBirdDelegate tb = Fly;
TakeBirdDelegate tb2 = Eat;
}
{
object o = "abc";
string s = (string)o;
object o2 = (object)s;
Type t = o.GetType();
Type t1 = s.GetType();
bool e = t == t1;
List <int> ints = new List <int>();
Comparison <Person> c = (p1, p2) => p1.Age - p2.Age;
bool re = ReferenceEquals(null, null);
}
{
MyFunc myf1 = Fun1;
myf1 += delegate(int a2, int b2)
{
return(a2.ToString());
};
myf1 += (a3, b3) => b3.ToString();
string r1 = myf1(10, 20);
}
{
Type ty = Type.GetType("ConsoleTest.Employee, ConsoleTest, Version=1.0.0.0, Culture=neutral, PublicKeyToken=a950b44ee98bfbc8");
object obj = Activator.CreateInstance(ty, new object[] { "wen1", "chen1" });
Employee emp = new Employee("wen", "chen");
Type type = emp.GetType();
}
{
Employee emp = new Employee("wen", "chen");
string fn1 = emp.FullName;
string fn = ((IPerson)emp).GetFullName();
}
{
Dictionary <string, string> dic1 = new Dictionary <string, string>();
dic1.Add("key1", "value1");
dic1.Add("key1", "value1");
dic1.Add("key1", "value1");
}
{
Person p1 = new Person();
p1.FirstName = "Wen";
p1.LastName = "Chen";
p1.Age = 33;
Person p2 = p1.ShallowCopy();
p2.Age = 100;
p2.FirstName = "w2";
p2.LastName = "c2";
}
{
Predicate <int> pre1 = e => e > 10;
Predicate <int> pre2 = (e) => e > 10;
Predicate <int> pre3 = (e) => { e++; return(e > 10); };
Predicate <int> pre4 = delegate(int e) { e++; return(e > 10); };
bool rePre1 = pre1(5);
Func <string> fun1 = delegate() { return(""); };
string reFun1 = fun1();
Func <int, string, string> fun2 = (p1, p2) => p1.ToString() + p2;
string reFun2 = fun2(100, "abc");
Func <string> fun3 = () => "abcd";
string reFun3 = fun3();
List <int> ints = new List <int>();
MyFunc myFunc1 = delegate(int a, int b) { return(a.ToString() + b.ToString()); };
MyFunc myFunc2 = (a, b) => a.ToString() + b.ToString();
string reMyFunc1 = myFunc2(11, 21);
Action action1 = () => {; };
var obj1 = new { P1 = 500, P2 = "some", P3 = new Object() };
string res = MyGeneric <int, string>((e) => e.ToString());
IEnumerable <Person> persons = new List <Person>()
{
new Person()
{
FirstName = "a1", LastName = "b1", Age = 10
},
new Person()
{
FirstName = "a2", LastName = "b2", Age = 20
},
new Person()
{
FirstName = "a3", LastName = "b3", Age = 30
}
};
foreach (Person p in persons)
{
p.FirstName = "xy";
}
}
}
