revstr.cpp

来自「Thinking in C++ 2nd edition source code 」· C++ 代码 · 共 19 行

//: C18:RevStr.cpp
// From Thinking in C++, 2nd Edition
// at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// Print a string in reverse
#include <string>
#include <iostream>
using namespace std;
int main() {
  string s("987654321");
  // Use this iterator to walk backwards:
  string::reverse_iterator rev;
  // "Incrementing" the reverse iterator moves 
  // it to successively lower string elements:
  for(rev = s.rbegin(); rev != s.rend(); rev++)
    cout << *rev << " ";
} ///:~