visitable.java

来自「Thinking in C++ 2nd edition source code 」· Java 代码 · 共 16 行

//: C25:Visitable.java
// From Thinking in C++, 2nd Edition
// at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// An interface to add visitor functionality to
// the Trash hierarchy without modifying the
// base class.
package c16.trashvisitor;
import c16.trash.*;

interface Visitable {
  // The new member function:
  void accept(Visitor v);
} ///:~