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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>
- #include <iostream>
- //[return_assign
- void call1(boost::function<int (int) > f) { BOOST_TEST(f(1) == 5); }
- void call0(boost::function<int (void)> f) { BOOST_TEST(f() == 5); }
- boost::function<int (int, int)> linear(const int& slope) {
- int BOOST_LOCAL_FUNCTION(const bind& slope,
- int x, default 1, int y, default 2) {
- return x + slope * y;
- } BOOST_LOCAL_FUNCTION_NAME(lin)
- boost::function<int (int, int)> f = lin; // Assign to local variable.
- BOOST_TEST(f(1, 2) == 5);
- call1(lin); // Pass to other functions.
- call0(lin);
- return lin; // Return.
- }
- void call(void) {
- boost::function<int (int, int)> f = linear(2);
- BOOST_TEST(f(1, 2) == 5);
- }
- //]
- int main(void) {
- call();
- return boost::report_errors();
- }
- #endif // VARIADIC_MACROS
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