1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <iterator>
11 
12 // template <class charT, class traits = char_traits<charT> >
13 // class ostreambuf_iterator
14 //   : public iterator<output_iterator_tag, void, void, void, void>
15 // {
16 // public:
17 //   typedef charT                          char_type;
18 //   typedef traits                         traits_type;
19 //   typedef basic_streambuf<charT, traits> streambuf_type;
20 //   typedef basic_ostream<charT, traits>   ostream_type;
21 //   ...
22 
23 #include <iterator>
24 #include <string>
25 #include <type_traits>
26 
main()27 int main()
28 {
29     typedef std::ostreambuf_iterator<char> I1;
30     static_assert((std::is_convertible<I1,
31         std::iterator<std::output_iterator_tag, void, void, void, void> >::value), "");
32     static_assert((std::is_same<I1::char_type, char>::value), "");
33     static_assert((std::is_same<I1::traits_type, std::char_traits<char> >::value), "");
34     static_assert((std::is_same<I1::streambuf_type, std::streambuf>::value), "");
35     static_assert((std::is_same<I1::ostream_type, std::ostream>::value), "");
36 
37     typedef std::ostreambuf_iterator<wchar_t> I2;
38     static_assert((std::is_convertible<I2,
39         std::iterator<std::output_iterator_tag, void, void, void, void> >::value), "");
40     static_assert((std::is_same<I2::char_type, wchar_t>::value), "");
41     static_assert((std::is_same<I2::traits_type, std::char_traits<wchar_t> >::value), "");
42     static_assert((std::is_same<I2::streambuf_type, std::wstreambuf>::value), "");
43     static_assert((std::is_same<I2::ostream_type, std::wostream>::value), "");
44 }
45