libs/local_function/test/typeof.cpp
// 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 "addable.hpp"
#include <boost/local_function.hpp>
#include <boost/type_traits/remove_reference.hpp>
#include <boost/concept_check.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <algorithm>
int main(void) {
//[typeof
int sum = 0, factor = 10;
void BOOST_LOCAL_FUNCTION(const bind factor, bind& sum, int num) {
// Type-of for concept checking.
BOOST_CONCEPT_ASSERT((Addable<boost::remove_reference<
BOOST_LOCAL_FUNCTION_TYPEOF(sum)>::type>));
// Type-of for declarations.
boost::remove_reference<BOOST_LOCAL_FUNCTION_TYPEOF(
factor)>::type mult = factor * num;
sum += mult;
} BOOST_LOCAL_FUNCTION_NAME(add)
add(6);
//]
BOOST_TEST(sum == 60);
return boost::report_errors();
}
#endif // VARIADIC_MACROS