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/*<-
Copyright Barrett Adair 2016-2017
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE.md or copy at http ://boost.org/LICENSE_1_0.txt)
->*/
#include <boost/callable_traits/detail/config.hpp>
#ifdef BOOST_CLBL_TRTS_DISABLE_REFERENCE_QUALIFIERS
int main(){ return 0; }
#else
//[ add_member_const
#include <type_traits>
#include <boost/callable_traits/add_member_const.hpp>
namespace ct = boost::callable_traits;
struct foo {};
int main() {
{
using pmf = int(foo::*)();
using expect = int(foo::*)() const;
using test = ct::add_member_const_t<pmf>;
static_assert(std::is_same<test, expect>::value, "");
} {
// add_member_const_t doesn't change anything when
// the function type is already const.
using pmf = int(foo::*)() const &&;
using expect = int(foo::*)() const &&;
using test = ct::add_member_const_t<pmf>;
static_assert(std::is_same<test, expect>::value, "");
} {
using pmf = int(foo::*)() volatile &;
using expect = int(foo::*)() const volatile &;
using test = ct::add_member_const_t<pmf>;
static_assert(std::is_same<test, expect>::value, "");
} {
// add_member_const_t can also be used with "abominable"
// function types.
using f = int();
using expect = int() const;
using test = ct::add_member_const_t<f>;
static_assert(std::is_same<test, expect>::value, "");
}
}
//]
#endif //#ifdef BOOST_CLBL_TRTS_DISABLE_REFERENCE_QUALIFIERS
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