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/*<-

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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