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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
// Home at

#include "addable.hpp"
#include <boost/local_function.hpp>
#include <boost/type_traits/remove_reference.hpp>
#include <boost/concept_check.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <algorithm>

template<typename T>
T calculate(const T& factor) {
    T sum = 0;

    void BOOST_LOCAL_FUNCTION_TPL( (const bind factor) (bind& sum) (T num) ) {
        BOOST_CONCEPT_ASSERT((Addable<typename boost::remove_reference<
        sum += factor * num;

    return sum;

int main(void) {
    BOOST_TEST(calculate(10) == 60);
    return boost::report_errors();