Initial data commit

Task/Polymorphic-copy/NetRexx/polymorphic-copy.netrexx

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+/* NetRexx */
+options replace format comments java crossref savelog symbols binary
+
+-- -----------------------------------------------------------------------------
+class RCPolymorphicCopy public
+
+method copier(x = T) public static returns T
+  return x.copy
+
+method main(args = String[]) public constant
+  obj1 = T()
+  obj2 = S()
+  System.out.println(copier(obj1).name) -- prints "T"
+  System.out.println(copier(obj2).name) -- prints "S"
+  return
+
+-- -----------------------------------------------------------------------------
+class RCPolymorphicCopy.T public implements Cloneable
+
+method name returns String
+  return T.class.getSimpleName
+
+method copy public returns T
+  dup = T
+
+  do
+    dup = T super.clone
+  catch ex = CloneNotSupportedException
+    ex.printStackTrace
+  end
+
+  return dup
+
+-- -----------------------------------------------------------------------------
+class RCPolymorphicCopy.S public extends RCPolymorphicCopy.T
+
+method name returns String
+  return S.class.getSimpleName