main.cpp

来自「一本语言类编程书籍」· C++ 代码 · 共 20 行

// Exercise 10.3 Using a global variable to count calls to print().  File: main.cpp
// This file is the same as Ex 10.2. 

#include "printthis.h"
#include "printthat.h"

#include <iostream>            // ADDED
using std::cout;               // ADDED
using std::endl;               // ADDED
extern int print_count = 0;    // Counts calls to print() ADDED

int main(){
  print_this("This is a test string using printthis().");
  print_that("This is a test string using printthat().");

  cout << "The print() function has been called a total of " // ADDED
       << print_count << " times. " << endl;                 // ADDED

  return 0;
}