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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/function.hpp>
- #include <boost/detail/lightweight_test.hpp>
- boost::function<int (void)> inc(int& value) {
- int BOOST_LOCAL_FUNCTION(bind& value) {
- return ++value;
- } BOOST_LOCAL_FUNCTION_NAME(i)
- return i;
- }
- int main(void) {
- int value1 = 0; // Reference valid in scope where closure is used.
- boost::function<int (void)> inc1 = inc(value1);
- int value2 = 0;
- boost::function<int (void)> inc2 = inc(value2);
- BOOST_TEST(inc1() == 1);
- BOOST_TEST(inc1() == 2);
- BOOST_TEST(inc2() == 1);
- BOOST_TEST(inc1() == 3);
- return boost::report_errors();
- }
- #endif // VARIADIC_MACROS
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