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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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