File: func_output_iter_example.cpp

package info (click to toggle)
boost1.83 1.83.0-5
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 545,632 kB
  • sloc: cpp: 3,857,086; xml: 125,552; ansic: 34,414; python: 25,887; asm: 5,276; sh: 4,799; ada: 1,681; makefile: 1,629; perl: 1,212; pascal: 1,139; sql: 810; yacc: 478; ruby: 102; lisp: 24; csh: 6
file content (46 lines) | stat: -rw-r--r-- 902 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
// (C) Copyright Jeremy Siek 2001-2004.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)

// Revision History:

// 27 Feb 2001   Jeremy Siek
//      Initial checkin.

#include <iostream>
#include <string>
#include <vector>

#include <boost/iterator/function_output_iterator.hpp>

struct string_appender
{
    string_appender(std::string& s)
        : m_str(&s)
    {}

    void operator()(const std::string& x) const
    {
        *m_str += x;
    }

    std::string* m_str;
};

int main(int, char*[])
{
  std::vector<std::string> x;
  x.push_back("hello");
  x.push_back(" ");
  x.push_back("world");
  x.push_back("!");

  std::string s = "";
  std::copy(x.begin(), x.end(),
            boost::make_function_output_iterator(string_appender(s)));

  std::cout << s << std::endl;

  return 0;
}