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Editing: qualified_class_of.hpp
/* @Copyright Barrett Adair 2015-2017 Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) */ #ifndef BOOST_CLBL_TRTS_QUALIFIED_class_of_HPP #define BOOST_CLBL_TRTS_QUALIFIED_class_of_HPP #include <boost/callable_traits/detail/core.hpp> namespace boost { namespace callable_traits { //[ qualified_class_of_hpp /*` [section:ref_qualified_class_of qualified_class_of] [heading Header] ``#include <boost/callable_traits/qualified_class_of.hpp>`` [heading Definition] */ template<typename T> using qualified_class_of_t = //see below //<- detail::try_but_fail_if_invalid< typename detail::traits<detail::shallow_decay<T>>::invoke_type, type_is_not_a_member_pointer>; namespace detail { template<typename T, typename = std::false_type> struct qualified_class_of_impl {}; template<typename T> struct qualified_class_of_impl <T, typename std::is_same< qualified_class_of_t<T>, detail::dummy>::type> { using type = qualified_class_of_t<T>; }; } //-> template<typename T> struct qualified_class_of : detail::qualified_class_of_impl<T> {}; //<- }} // namespace boost::callable_traits //-> /*` [heading Constraints] * `T` must be a member pointer [heading Behavior] * A substitution failure occurs if the constraints are violated. * If `T` is a member function pointer, the aliased type is the parent class of the member, qualified according to the member qualifiers on `T`. If `T` does not have a member reference qualifier, then the aliased type will be an lvalue reference. * If `T` is a member data pointer, the aliased type is equivalent to `ct::class_of<T> const &`. [heading Input/Output Examples] [table [[`T`] [`qualified_class_of_t<T>`]] [[`void(foo::*)()`] [`foo &`]] [[`void(foo::* volatile)() const`] [`foo const &`]] [[`void(foo::*)() &&`] [`foo &&`]] [[`void(foo::*&)() volatile &&`] [`foo volatile &&`]] [[`int foo::*`] [`foo const &`]] [[`const int foo::*`] [`foo const &`]] ] [heading Example Program] [import ../example/qualified_class_of.cpp] [qualified_class_of] [endsect] */ //] #endif // #ifndef BOOST_CLBL_TRTS_QUALIFIED_class_of_HPP
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