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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_rvalue_reference
- #include <type_traits>
- #include <boost/callable_traits/add_member_rvalue_reference.hpp>
- namespace ct = boost::callable_traits;
- struct foo {};
- int main() {
- {
- using pmf = void(foo::*)();
- using expect = void(foo::*)() &&;
- using test = ct::add_member_rvalue_reference_t<pmf>;
- static_assert(std::is_same<test, expect>::value, "");
- } {
- // add_member_rvalue_reference_t doesn't change anything when
- // the function type already has an rvalue qualifier.
- using pmf = void(foo::*)() &&;
- using expect = void(foo::*)() &&;
- using test = ct::add_member_rvalue_reference_t<pmf>;
- static_assert(std::is_same<test, expect>::value, "");
- } {
- // add_member_rvalue_reference_t models C++11 reference collapsing
- // rules, so that adding an rvalue qualifier to an
- // lvalue-qualified type will not change anything.
- using pmf = void(foo::*)() const &;
- using expect = void(foo::*)() const &;
- using test = ct::add_member_rvalue_reference_t<pmf>;
- static_assert(std::is_same<test, expect>::value, "");
- } {
- // add_member_rvalue_reference_t can also be used with "abominable"
- // function types.
- using f = void() const;
- using expect = void() const &&;
- using test = ct::add_member_rvalue_reference_t<f>;
- static_assert(std::is_same<test, expect>::value, "");
- }
- }
- //]
- #endif //#ifdef BOOST_CLBL_TRTS_DISABLE_REFERENCE_QUALIFIERS
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