36 lines
1.1 KiB
C++
36 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 <boost/local_function.hpp>
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#include <boost/detail/lightweight_test.hpp>
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#include <algorithm>
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//[add
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int main(void) { // Some local scope.
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int sum = 0, factor = 10; // Variables in scope to bind.
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void BOOST_LOCAL_FUNCTION(const bind factor, bind& sum, int num) {
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sum += factor * num;
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} BOOST_LOCAL_FUNCTION_NAME(add)
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add(1); // Call the local function.
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int nums[] = {2, 3};
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std::for_each(nums, nums + 2, add); // Pass it to an algorithm.
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BOOST_TEST(sum == 60); // Assert final summation value.
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return boost::report_errors();
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}
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//]
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#endif // VARIADIC_MACROS
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