| /* Copyright 2003-2019 Joaquin M Lopez Munoz. |
| * Distributed under 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/multi_index for library home page. |
| */ |
| |
| #ifndef BOOST_MULTI_INDEX_DETAIL_IS_FUNCTION_HPP |
| #define BOOST_MULTI_INDEX_DETAIL_IS_FUNCTION_HPP |
| |
| #if defined(_MSC_VER) |
| #pragma once |
| #endif |
| |
| #include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */ |
| #include <boost/detail/workaround.hpp> |
| |
| #if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)||\ |
| BOOST_WORKAROUND(_LIBCPP_VERSION,<30700)||\ |
| BOOST_WORKAROUND(BOOST_LIBSTDCXX_VERSION,<40802) |
| /* libc++: std::is_function<void() const> fails, |
| * https://bugs.llvm.org/show_bug.cgi?id=20084 |
| * |
| * libstdc++-v3: std::is_function does not support ref-qualified function types, |
| * https://github.com/gcc-mirror/gcc/commit/ |
| * 2fa630fb50ba29d8e891c52a75aaec261b07874e# |
| * diff-6547f965a8d66bf35a6388fcf404aaa3 |
| */ |
| |
| #include <boost/type_traits/is_function.hpp> |
| |
| namespace boost{namespace multi_index{namespace detail{ |
| |
| template<typename T> |
| struct is_function:boost::is_function<T>{}; |
| |
| }}} /* namespace boost::multi_index::detail */ |
| |
| #else |
| |
| #include <type_traits> |
| |
| namespace boost{namespace multi_index{namespace detail{ |
| |
| template<typename T> |
| struct is_function:std::is_function<T>{}; |
| |
| }}} /* namespace boost::multi_index::detail */ |
| |
| #endif |
| #endif |