// Copyright Oliver Kowalke 2009. // 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) #include #include #include #include #include #include int main() { using namespace boost; coroutines::asymmetric_coroutine::pull_type c([](coroutines::asymmetric_coroutine::push_type& yield) { for (int i = 0; i < 5; ++i) { yield(i); } }); auto crange = make_iterator_range(begin(c), end(c)); for (auto n : crange | adaptors::filtered([](int n){return n % 2 == 0;})) // the filtered adaptor needs const operator==. { std::cout << n << std::endl; } }