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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/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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