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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/config.hpp>
#ifdef BOOST_NO_CXX11_VARIADIC_MACROS
# error "variadic macros required"
#else
#include <boost/local_function.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <algorithm>
//[add_template
template<typename T>
T total(const T& x, const T& y, const T& z) {
T sum = T(), factor = 10;
// Must use the `..._TPL` macros within templates.
T BOOST_LOCAL_FUNCTION_TPL(const bind factor, bind& sum, T num) {
return sum += factor * num;
} BOOST_LOCAL_FUNCTION_NAME_TPL(add)
add(x);
T nums[2]; nums[0] = y; nums[1] = z;
std::for_each(nums, nums + 2, add);
return sum;
}
//]
int main(void) {
BOOST_TEST(total(1, 2, 3) == 60);
return boost::report_errors();
}
#endif // VARIADIC_MACROS
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