ceph/src/boost/boost/callable_traits/detail/pmd.hpp

   1 /*
   2
   3 @Copyright Barrett Adair 2015-2017
   4 Distributed under the Boost Software License, Version 1.0.
   5 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
   6
   7 */
   8
   9 #ifndef BOOST_CLBL_TRTS_DETAIL_PMD_HPP
  10 #define BOOST_CLBL_TRTS_DETAIL_PMD_HPP
  11
  12 #include <boost/callable_traits/detail/forward_declarations.hpp>
  13 #include <boost/callable_traits/detail/function.hpp>
  14 #include <boost/callable_traits/detail/traits.hpp>
  15 #include <boost/callable_traits/detail/default_callable_traits.hpp>
  16 #include <boost/callable_traits/detail/utility.hpp>
  17
  18 namespace boost { namespace callable_traits { namespace detail {
  19
  20 template<typename T>
  21 struct pmd : default_callable_traits<T> {};
  22
  23 template<typename D, typename T>
  24 struct pmd<D T::*> : default_callable_traits<> {
  25
  26     static constexpr bool value = true;
  27
  28     using traits = pmd;
  29     using class_type = T;
  30     using invoke_type = T const &;
  31     using type = D T::*;
  32     using function_type = typename std::add_lvalue_reference<D>::type(invoke_type);
  33     using qualified_function_type = D(invoke_type);
  34     using arg_types = std::tuple<invoke_type>;
  35     using non_invoke_arg_types = std::tuple<>;
  36
  37     using return_type = typename std::add_lvalue_reference<D>::type;
  38
  39     template<typename C>
  40     using apply_member_pointer = D C::*;
  41
  42     template<typename R>
  43     using apply_return = R T::*;
  44
  45     template<template<class...> class Container>
  46     using expand_args = Container<invoke_type>;
  47
  48     using is_member_pointer = std::true_type;
  49 };
  50
  51 }}} // namespace boost::callable_traits::detail
  52
  53 #endif