constinitialization.cpp

Think in C++ 第二版源码

//: C08:ConstInitialization.cpp
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// Initializing const in classes
#include <iostream>
using namespace std;

class Fred {
  const int size;
public:
  Fred(int sz);
  void print();
};

Fred::Fred(int sz) : size(sz) {}
void Fred::print() { cout << size << endl; }

int main() {
  Fred a(1), b(2), c(3);
  a.print(), b.print(), c.print();
} ///:~