// Copyright (C) 2007, 2009 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // . // 25.2.1 [lib.alg.copy] Copy. #include #include class Counting_output_iterator : public std::iterator< std::output_iterator_tag, void, void, void, void > { std::size_t c; public: Counting_output_iterator() : c(0) {} Counting_output_iterator& operator++() { return *this; } Counting_output_iterator& operator*() { return *this; } template void operator=(const T&) { ++c; } std::size_t current_counter() const { return c; } }; // libstdc++/34595 void test01() { bool test __attribute__((unused)) = true; int t[10] = {0,}; Counting_output_iterator cnt; std::size_t res = std::copy(t+0, t+5, cnt).current_counter(); VERIFY( res == 5 ); } int main() { test01(); return 0; }