defineinitialize.cpp

Thingking in c++第二版

//: C06:DefineInitialize.cpp
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 2000
// Copyright notice in Copyright.txt
// Defining variables anywhere
#include "../require.h"
#include <iostream>
#include <string>
using namespace std;

class G {
  int i;
public:
  G(int ii);
};

G::G(int ii) { i = ii; }

int main() {
  cout << "initialization value? ";
  int retval = 0;
  cin >> retval;
  require(retval != 0);
  int y = retval + 3;
  G g(y);
} ///:~