//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <iterator>

// template<class charT, class traits = char_traits<charT> >
// class istreambuf_iterator
//     : public iterator<input_iterator_tag, charT,
//                       typename traits::off_type, charT*,
//                       charT>
// {
// public:
//     ...
//     proxy operator++(int);

// class proxy
// {
// public:
//     charT operator*();
// };

#include <iterator>
#include <sstream>
#include <cassert>

int main()
{
    {
        std::istringstream inf("abc");
        std::istreambuf_iterator<char> i(inf);
        assert(*i++ == 'a');
    }
    {
        std::wistringstream inf(L"abc");
        std::istreambuf_iterator<wchar_t> i(inf);
        assert(*i++ == L'a');
    }
}