Initial data commit

Task/Polymorphic-copy/Delphi/polymorphic-copy-1.delphi

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+program PolymorphicCopy;
+
+type
+  T = class
+    function Name:String; virtual;
+    function Clone:T; virtual;
+  end;
+
+  S = class(T)
+    function Name:String; override;
+    function Clone:T; override;
+  end;
+
+function T.Name :String; begin Exit('T')     end;
+function T.Clone:T;      begin Exit(T.Create)end;
+
+function S.Name :String; begin Exit('S')     end;
+function S.Clone:T;      begin Exit(S.Create)end;
+
+procedure Main;
+var
+  Original, Clone :T;
+begin
+  Original := S.Create;
+  Clone    := Original.Clone;
+
+  WriteLn(Original.Name);
+  WriteLn(Clone.Name);
+end;
+
+begin
+  Main;
+end.

Task/Polymorphic-copy/Delphi/polymorphic-copy-2.delphi

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+S
+S