2 Copyright Barrett Adair 2016-2017
3 Distributed under the Boost Software License, Version 1.0.
4 (See accompanying file LICENSE.md or copy at http ://boost.org/LICENSE_1_0.txt)
7 #include <boost/callable_traits/detail/config.hpp>
8 #ifdef BOOST_CLBL_TRTS_DISABLE_REFERENCE_QUALIFIERS
9 int main(){ return 0; }
12 //[ add_member_rvalue_reference
13 #include <type_traits>
14 #include <boost/callable_traits/add_member_rvalue_reference.hpp>
16 namespace ct
= boost::callable_traits
;
23 using pmf
= void(foo::*)();
24 using expect
= void(foo::*)() &&;
25 using test
= ct::add_member_rvalue_reference_t
<pmf
>;
26 static_assert(std::is_same
<test
, expect
>::value
, "");
28 // add_member_rvalue_reference_t doesn't change anything when
29 // the function type already has an rvalue qualifier.
30 using pmf
= void(foo::*)() &&;
31 using expect
= void(foo::*)() &&;
32 using test
= ct::add_member_rvalue_reference_t
<pmf
>;
33 static_assert(std::is_same
<test
, expect
>::value
, "");
35 // add_member_rvalue_reference_t models C++11 reference collapsing
36 // rules, so that adding an rvalue qualifier to an
37 // lvalue-qualified type will not change anything.
38 using pmf
= void(foo::*)() const &;
39 using expect
= void(foo::*)() const &;
40 using test
= ct::add_member_rvalue_reference_t
<pmf
>;
41 static_assert(std::is_same
<test
, expect
>::value
, "");
43 // add_member_rvalue_reference_t can also be used with "abominable"
45 using f
= void() const;
46 using expect
= void() const &&;
47 using test
= ct::add_member_rvalue_reference_t
<f
>;
48 static_assert(std::is_same
<test
, expect
>::value
, "");
53 #endif //#ifdef BOOST_CLBL_TRTS_DISABLE_REFERENCE_QUALIFIERS