typeconversionfanout.cpp

来自「thingking in c++（C++编程思想） 各章节课后练习的答案」· C++ 代码 · 共 24 行

//: C12:TypeConversionFanout.cpp
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 2000
// Copyright notice in Copyright.txt
class Orange {};
class Pear {};

class Apple {
public:
  operator Orange() const;
  operator Pear() const;
};

// Overloaded eat():
void eat(Orange);
void eat(Pear);

int main() {
  Apple c;
//! eat(c);
  // Error: Apple -> Orange or Apple -> Pear ???
} ///:~