1f49bfca3d
[SVN r81851]
44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
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// Copyright (C) 2009-2012 Lorenzo Caminiti
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// Distributed under the Boost Software License, Version 1.0
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// (see accompanying file LICENSE_1_0.txt or a copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// Home at http://www.boost.org/libs/local_function
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#include <boost/config.hpp>
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#ifdef BOOST_NO_CXX11_VARIADIC_MACROS
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# error "variadic macros required"
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#else
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#include "addable.hpp"
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#include <boost/local_function.hpp>
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#include <boost/type_traits/remove_reference.hpp>
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#include <boost/concept_check.hpp>
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#include <boost/detail/lightweight_test.hpp>
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#include <algorithm>
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//[typeof_template
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template<typename T>
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T calculate(const T& factor) {
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T sum = 0;
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void BOOST_LOCAL_FUNCTION_TPL(const bind factor, bind& sum, T num) {
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// Local function `TYPEOF` does not need `typename`.
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BOOST_CONCEPT_ASSERT((Addable<typename boost::remove_reference<
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BOOST_LOCAL_FUNCTION_TYPEOF(sum)>::type>));
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sum += factor * num;
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} BOOST_LOCAL_FUNCTION_NAME_TPL(add)
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add(6);
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return sum;
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}
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//]
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int main(void) {
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BOOST_TEST(calculate(10) == 60);
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return boost::report_errors();
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}
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#endif // VARIADIC_MACROS
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