transform 示例

#include <iostream>
#include <cctype>
#include <algorithm>
#include <vector>
#include <string>
#include <iterator>
#include <deque>
using namespace std;
#include <conio.h>

string& toLower(string& s)
{
  // Modify each char element
  transform(s.begin(), s.end(), s.begin(), ::tolower);
  return s;
}
int main() {
  vector<string> svec;
  deque<string> d;
  svec.push_back("Stanley B. Lippman");
  svec.push_back("Scott Meyers");
  svec.push_back("Nicolai M. Josuttis");
  // Modify each string element
  transform(svec.begin(), svec.end(), front_inserter(d), toLower);
  copy(d.begin(),d.end(), ostream_iterator<string>(cout,"000/n"));
  getch();
  return 0;
}