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+/*
+
+@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_ADD_MEMBER_CONST_HPP
+#define BOOST_CLBL_TRTS_ADD_MEMBER_CONST_HPP
+
+#include <boost/callable_traits/detail/core.hpp>
+
+namespace boost { namespace callable_traits {
+
+//[ add_member_const_hpp
+/*`
+[section:ref_add_member_const add_member_const]
+[heading Header]
+``#include <boost/callable_traits/add_member_const.hpp>``
+[heading Definition]
+*/
+
+template<typename T>
+using add_member_const_t = //see below
+//<-
+#ifdef BOOST_CLBL_TRTS_DISABLE_ABOMINABLE_FUNCTIONS
+
+ detail::sfinae_try<
+ typename detail::traits<T>::add_member_const,
+
+ detail::fail_when_same<typename detail::traits<T>::add_member_const,
+ detail::abominable_functions_not_supported_on_this_compiler,
+ this_compiler_doesnt_support_abominable_function_types>,
+
+ detail::fail_if_invalid<typename detail::traits<T>::add_member_const,
+ member_qualifiers_are_illegal_for_this_type>>;
+#else
+
+ detail::try_but_fail_if_invalid<
+ typename detail::traits<T>::add_member_const,
+ member_qualifiers_are_illegal_for_this_type>;
+
+#endif // #ifdef BOOST_CLBL_TRTS_DISABLE_ABOMINABLE_FUNCTIONS
+
+namespace detail {
+
+ template<typename T, typename = std::false_type>
+ struct add_member_const_impl {};
+
+ template<typename T>
+ struct add_member_const_impl <T, typename std::is_same<
+ add_member_const_t<T>, detail::dummy>::type>
+ {
+ using type = add_member_const_t<T>;
+ };
+}
+
+//->
+
+template<typename T>
+struct add_member_const : detail::add_member_const_impl<T> {};
+
+//<-
+}} // namespace boost::callable_traits
+//->
+
+
+/*`
+[heading Constraints]
+* `T` must be a function type or a member function pointer type
+* If `T` is a pointer, it may not be cv/ref qualified
+
+[heading Behavior]
+* A substitution failure occurs if the constraints are violated.
+* Adds a member `const` qualifier to `T`, if not already present.
+
+[heading Input/Output Examples]
+[table
+ [[`T`] [`add_member_const_t<T>`]]
+ [[`int()`] [`int() const`]]
+ [[`int(foo::*)()`] [`int(foo::*)() const`]]
+ [[`int(foo::*)() &`] [`int(foo::*)() const &`]]
+ [[`int(foo::*)() &&`] [`int(foo::*)() const &&`]]
+ [[`int(foo::*)() const`] [`int(foo::*)() const`]]
+ [[`int(foo::*)() volatile`] [`int(foo::*)() const volatile`]]
+ [[`int(foo::*)() transaction_safe`] [`int(foo::*)() const transaction_safe`]]
+ [[`int`] [(substitution failure)]]
+ [[`int (&)()`] [(substitution failure)]]
+ [[`int (*)()`] [(substitution failure)]]
+ [[`int foo::*`] [(substitution failure)]]
+ [[`int (foo::* const)()`] [(substitution failure)]]
+]
+
+[heading Example Program]
+[import ../example/add_member_const.cpp]
+[add_member_const]
+[endsect]
+*/
+//]
+
+#endif // #ifndef BOOST_CLBL_TRTS_ADD_MEMBER_CONST_HPP
+
+
+