static void Main(string[] args)
{
//Console.WriteLine("Hello World!");
//object o = 12;
//object o2 = "string";
MyParentClass myParent = new MyParentClass();
MyChild myChild = new MyChild();
//myParent.Print();
//myChild.Print();
MyParentClass myParent_Reference_To_Child = new MyChild();
// myParent_Reference_To_Child.Print();
MyChild myParent_Child_To_Child = new MyChild();
// myParent_Child_To_Child.Print();
//CheckType(myChild);
//CheckType("my string");
//DoUnsafeCast(myChild);
//DoUnsafeCast("my string");
// DoSafeCast(myChild);
// DoSafeCast("my string");
AboutLSP(myParent);
AboutLSP(myChild);
Console.ReadLine();
}
private static void AboutLSP(MyParentClass myObject)
{
//LSP Violation
if (myObject is MyChild child)
{
child.ChildPrint();
}
else
{
myObject.Print();
}
}
private static void DoSafeCast(object obj)
{
MyParentClass parent = obj as MyParentClass;
if (parent == null)
{
Console.WriteLine("Cast failed!");
}
else
{
Console.WriteLine("Cast is done!");
parent.Print();
}
}
private static void DoUnsafeCast(object obj)
{
MyParentClass parent = (MyParentClass)obj;
Console.WriteLine("Cast is done!");
}
