addstrings.cpp

Thinking in C++ ２.０书籍源码光盘

//: C17:AddStrings.cpp
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
#include <string>
#include <iostream>
using namespace std;

int main() {
  string s1("This ");
  string s2("That ");
  string s3("The other ");
  // operator+ concatenates strings
  s1 = s1 + s2;
  cout << s1 << endl;
  // Another way to concatenates strings
  s1 += s3;
  cout << s1 << endl;
  // You can index the string on the right
  s1 += s3 + s3[4] + "oh lala";
  cout << s1 << endl;
} ///:~