以下代码摘自该书：C ++标准库第二版。
如何在Mac Yosemite上运行它？
在控制台中，我输入a，然后输入b，然后输入...没有结尾...如何输入流尾？
/* The following code example is taken from the book
* "The C++ Standard Library - A Tutorial and Reference, 2nd Edition"
* by Nicolai M. Josuttis, Addison-Wesley, 2012
*
* (C) Copyright Nicolai M. Josuttis 2012.
* Permission to copy, use, modify, sell and distribute this software
* is granted provided this copyright notice appears in all copies.
* This software is provided "as is" without express or implied
* warranty, and with no claim as to its suitability for any purpose.
*/
#include <iterator>
#include <algorithm>
#include <vector>
#include <string>
#include <iostream>
using namespace std;
int main()
{
vector<string> coll;
// read all words from the standard input
// - source: all strings until end-of-file (or error)
// - destination: coll (inserting)
copy (istream_iterator<string>(cin), // start of source
istream_iterator<string>(), // end of source
back_inserter(coll)); // destination
// sort elements
sort (coll.begin(), coll.end());
// print all elements without duplicates
// - source: coll
// - destination: standard output (with newline between elements)
unique_copy (coll.cbegin(), coll.cend(), // source
ostream_iterator<string>(cout,"\n")); // destination
}
在Mac OS和其他UNIX衍生产品上，按Ctrl-D。
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