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- // Copyright (C) 2009-2012 Lorenzo Caminiti
- // Distributed under the Boost Software License, Version 1.0
- // (see accompanying file LICENSE_1_0.txt or a copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- // Home at http://www.boost.org/libs/local_function
- #include <boost/spirit/include/phoenix.hpp>
- #include <boost/detail/lightweight_test.hpp>
- #include <algorithm>
- #include <iostream>
-
- //[add_phoenix
- int main(void) {
- using boost::phoenix::let;
- using boost::phoenix::local_names::_f;
- using boost::phoenix::cref;
- using boost::phoenix::ref;
- using boost::phoenix::arg_names::_1;
- int sum = 0, factor = 10;
- int nums[] = {1, 2, 3};
- // Passed to template, `factor` by constant, and defined in expression.
- std::for_each(nums, nums + 3, let(_f = cref(factor))[
- // Unfortunately, body cannot use C++ statement syntax.
- ref(sum) += _f * _1, _1 // Access `sum` by reference.
- ]);
- BOOST_TEST(sum == 60);
- return boost::report_errors();
- }
- //]
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