added clone functions for nodes

Since nodes are are extremely derivative types, we use a clone/copy function to produce new types of the derived class easily.
2019-11-22 16:53:30 +09:00
parent 2599c1e8a4
commit 492c8f474a
23 changed files with 69 additions and 7 deletions
@@ -41,8 +41,6 @@ public:
    kEnd
  };

-  virtual Block* copy() = 0;
-
  virtual Type type() = 0;

  virtual QString Category() override;