boost/type_traits/is_member_function_pointer.hpp
// (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, Howard
// Hinnant & John Maddock 2000.
// Use, modification and distribution are subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt).
//
// See http://www.boost.org/libs/type_traits for most recent version including documentation.
#ifndef BOOST_TT_IS_MEMBER_FUNCTION_POINTER_HPP_INCLUDED
#define BOOST_TT_IS_MEMBER_FUNCTION_POINTER_HPP_INCLUDED
#include <boost/type_traits/detail/config.hpp>
#include <boost/detail/workaround.hpp>
#if !BOOST_WORKAROUND(__BORLANDC__, < 0x600) && !defined(BOOST_TT_TEST_MS_FUNC_SIGS)
//
// Note: we use the "workaround" version for MSVC because it works for
// __stdcall etc function types, where as the partial specialisation
// version does not do so.
//
# include <boost/type_traits/detail/is_mem_fun_pointer_impl.hpp>
# include <boost/type_traits/remove_cv.hpp>
# include <boost/type_traits/integral_constant.hpp>
#else
# include <boost/type_traits/is_reference.hpp>
# include <boost/type_traits/is_array.hpp>
# include <boost/type_traits/detail/yes_no_type.hpp>
# include <boost/type_traits/detail/is_mem_fun_pointer_tester.hpp>
#endif
namespace boost {
#if defined( __CODEGEARC__ )
template <class T> struct is_member_function_pointer : public integral_constant<bool, __is_member_function_pointer( T )> {};
#elif !BOOST_WORKAROUND(__BORLANDC__, < 0x600) && !defined(BOOST_TT_TEST_MS_FUNC_SIGS)
template <class T> struct is_member_function_pointer
: public ::boost::integral_constant<bool, ::boost::type_traits::is_mem_fun_pointer_impl<typename remove_cv<T>::type>::value>{};
#else
namespace detail {
#ifndef __BORLANDC__
template <bool>
struct is_mem_fun_pointer_select
{
template <class T> struct result_ : public false_type{};
};
template <>
struct is_mem_fun_pointer_select<false>
{
template <typename T> struct result_
{
#if BOOST_WORKAROUND(BOOST_MSVC_FULL_VER, >= 140050000)
#pragma warning(push)
#pragma warning(disable:6334)
#endif
static T* make_t;
typedef result_<T> self_type;
BOOST_STATIC_CONSTANT(
bool, value = (
1 == sizeof(::boost::type_traits::is_mem_fun_pointer_tester(self_type::make_t))
));
#if BOOST_WORKAROUND(BOOST_MSVC_FULL_VER, >= 140050000)
#pragma warning(pop)
#endif
};
};
template <typename T>
struct is_member_function_pointer_impl
: public is_mem_fun_pointer_select<
::boost::is_reference<T>::value || ::boost::is_array<T>::value>::template result_<T>{};
template <typename T>
struct is_member_function_pointer_impl<T&> : public false_type{};
#else // Borland C++
template <typename T>
struct is_member_function_pointer_impl
{
static T* m_t;
BOOST_STATIC_CONSTANT(
bool, value =
(1 == sizeof(type_traits::is_mem_fun_pointer_tester(m_t))) );
};
template <typename T>
struct is_member_function_pointer_impl<T&>
{
BOOST_STATIC_CONSTANT(bool, value = false);
};
#endif
template<> struct is_member_function_pointer_impl<void> : public false_type{};
#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
template<> struct is_member_function_pointer_impl<void const> : public false_type{};
template<> struct is_member_function_pointer_impl<void const volatile> : public false_type{};
template<> struct is_member_function_pointer_impl<void volatile> : public false_type{};
#endif
} // namespace detail
template <class T>
struct is_member_function_pointer
: public integral_constant<bool, ::boost::detail::is_member_function_pointer_impl<T>::value>{};
#endif
} // namespace boost
#endif // BOOST_TT_IS_MEMBER_FUNCTION_POINTER_HPP_INCLUDED