Sha256: 60bd395165b42cf7ba3fa07a7eb4369656df905313240ab7611c4a7595cbde07
Contents?: true
Size: 1.57 KB
Versions: 16
Compression:
Stored size: 1.57 KB
Contents
// Copyright (C) 2008-2016 Daniel James.
// 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)
#ifndef BOOST_UNORDERED_FWD_HPP_INCLUDED
#define BOOST_UNORDERED_FWD_HPP_INCLUDED
#include <boost/config.hpp>
#if defined(BOOST_HAS_PRAGMA_ONCE)
#pragma once
#endif
#if defined(BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT)
// Already defined.
#elif defined(BOOST_LIBSTDCXX11)
// https://github.com/gcc-mirror/gcc/blob/gcc-4_6-branch/libstdc++-v3/include/bits/stl_pair.h#L70
#if BOOST_LIBSTDCXX_VERSION > 40600
#define BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT 1
#endif
#elif defined(_LIBCPP_VERSION)
// https://github.com/llvm-mirror/libcxx/blob/release_30/include/utility#L206
#if LIBCPP_VERSION >= 3000
#define BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT 1
#endif
#elif defined(BOOST_MSVC)
// Apparently C++11 standard supported in Visual Studio 2012
// https://msdn.microsoft.com/en-us/library/hh567368.aspx#stl
// 2012 = VC+11 = BOOST_MSVC 1700 Hopefully!
#if BOOST_MSVC >= 1700
#define BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT 1
#endif
#endif
#if !defined(BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT)
#define BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT 0
#endif
#if BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT
#include <utility>
#endif
namespace boost {
namespace unordered {
#if BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT
using std::piecewise_construct_t;
using std::piecewise_construct;
#else
struct piecewise_construct_t
{
};
const piecewise_construct_t piecewise_construct = piecewise_construct_t();
#endif
}
}
#endif
Version data entries
16 entries across 16 versions & 1 rubygems