statinit.cpp

来自「c++编程思想的附带光盘中的源程序」· C++ 代码 · 共 30 行

//: C10:Statinit.cpp
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 2000
// Copyright notice in Copyright.txt
// Scope of static initializer
#include <iostream>
using namespace std;

int x = 100;

class WithStatic {
  static int x;
  static int y;
public:
  void print() const {
    cout << "WithStatic::x = " << x << endl;
    cout << "WithStatic::y = " << y << endl;
  }
};

int WithStatic::x = 1;
int WithStatic::y = x + 1;
// WithStatic::x NOT ::x

int main() {
  WithStatic ws;
  ws.print();
} ///:~