aluminum.h

来自「Think in C++ 第二版源码」· C头文件 代码 · 共 28 行

//: C25:Aluminum.h
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// The Aluminum class with prototyping
#ifndef ALUMINUM_H
#define ALUMINUM_H
#include "Trash.h"

class Aluminum : public Trash {
  static double val;
protected:
  Aluminum() {}
  friend class TrashPrototypeInit;
public:
  Aluminum(double wt) : Trash(wt) {}
  double value() const { return val; }
  static void value(double newVal) {
    val = newVal;
  }
  std::string id() { return "Aluminum"; }
  Trash* clone(const Info& info) {
    return new Aluminum(info.data());
  }
};
#endif // ALUMINUM_H ///:~