castaway.cpp

来自「Thinking_in_C___2.rar」· C++ 代码 · 共 19 行

//: C03:Castaway.cpp
// From Thinking in C++, 2nd Edition
// at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// Casting away the const-ness of an object
class FishingPole {
  int rod, reel;
public:
  FishingPole() { rod = reel = 0; }
  void cast_away() const {
    (((FishingPole*)this)->reel)++;
  }
};
int main() {
  const FishingPole fp;
  fp.cast_away();
} ///:~