definit.cpp

来自「Thinking_in_C___2.rar」· C++ 代码 · 共 30 行

//: C06:Definit.cpp
// From Thinking in C++, 2nd Edition
// at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// Defining variables anywhere
#include <cstdio>
#include <cstdlib>
#include "../require.h"
using namespace std;

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

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

int main() {
  #define SZ 100
  char buf[SZ];
  printf("initialization value? ");
  int retval = (int)gets(buf);
  require(retval != 0);
  int x = atoi(buf);
  int y = x + 3;
  G g(y);
} ///:~