diff options
Diffstat (limited to '3rdParty/Boost/src/boost/ref.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/ref.hpp | 196 |
1 files changed, 12 insertions, 184 deletions
diff --git a/3rdParty/Boost/src/boost/ref.hpp b/3rdParty/Boost/src/boost/ref.hpp index 6058d69..17b56ec 100644 --- a/3rdParty/Boost/src/boost/ref.hpp +++ b/3rdParty/Boost/src/boost/ref.hpp @@ -1,189 +1,17 @@ -#ifndef BOOST_REF_HPP_INCLUDED -#define BOOST_REF_HPP_INCLUDED +/* + * Copyright (c) 2014 Glen Fernandes + * + * 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) + */ -// MS compatible compilers support #pragma once +#ifndef BOOST_REF_HPP +#define BOOST_REF_HPP -#if defined(_MSC_VER) && (_MSC_VER >= 1020) -# pragma once -#endif - -#include <boost/config.hpp> -#include <boost/utility/addressof.hpp> -#include <boost/mpl/bool.hpp> -#include <boost/detail/workaround.hpp> - -// -// ref.hpp - ref/cref, useful helper functions -// -// Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi) -// Copyright (C) 2001, 2002 Peter Dimov -// Copyright (C) 2002 David Abrahams -// -// 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/bind/ref.html for documentation. -// - -namespace boost -{ - -template<class T> class reference_wrapper -{ -public: - typedef T type; +// The header file at this path is deprecated; +// use boost/core/ref.hpp instead. -#if defined( BOOST_MSVC ) && BOOST_WORKAROUND( BOOST_MSVC, < 1300 ) - - explicit reference_wrapper(T& t): t_(&t) {} - -#else - - explicit reference_wrapper(T& t): t_(boost::addressof(t)) {} +#include <boost/core/ref.hpp> #endif - - operator T& () const { return *t_; } - - T& get() const { return *t_; } - - T* get_pointer() const { return t_; } - -private: - - T* t_; -}; - -# if defined( __BORLANDC__ ) && BOOST_WORKAROUND( __BORLANDC__, BOOST_TESTED_AT(0x581) ) -# define BOOST_REF_CONST -# else -# define BOOST_REF_CONST const -# endif - -template<class T> inline reference_wrapper<T> BOOST_REF_CONST ref(T & t) -{ - return reference_wrapper<T>(t); -} - -template<class T> inline reference_wrapper<T const> BOOST_REF_CONST cref(T const & t) -{ - return reference_wrapper<T const>(t); -} - -# undef BOOST_REF_CONST - -# ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION - -template<typename T> -class is_reference_wrapper - : public mpl::false_ -{ -}; - -template<typename T> -class unwrap_reference -{ - public: - typedef T type; -}; - -# define AUX_REFERENCE_WRAPPER_METAFUNCTIONS_DEF(X) \ -template<typename T> \ -class is_reference_wrapper< X > \ - : public mpl::true_ \ -{ \ -}; \ -\ -template<typename T> \ -class unwrap_reference< X > \ -{ \ - public: \ - typedef T type; \ -}; \ -/**/ - -AUX_REFERENCE_WRAPPER_METAFUNCTIONS_DEF(reference_wrapper<T>) -#if !defined(BOOST_NO_CV_SPECIALIZATIONS) -AUX_REFERENCE_WRAPPER_METAFUNCTIONS_DEF(reference_wrapper<T> const) -AUX_REFERENCE_WRAPPER_METAFUNCTIONS_DEF(reference_wrapper<T> volatile) -AUX_REFERENCE_WRAPPER_METAFUNCTIONS_DEF(reference_wrapper<T> const volatile) -#endif - -# undef AUX_REFERENCE_WRAPPER_METAFUNCTIONS_DEF - -# else // no partial specialization - -} // namespace boost - -#include <boost/type.hpp> - -namespace boost -{ - -namespace detail -{ - typedef char (&yes_reference_wrapper_t)[1]; - typedef char (&no_reference_wrapper_t)[2]; - - no_reference_wrapper_t is_reference_wrapper_test(...); - - template<typename T> - yes_reference_wrapper_t is_reference_wrapper_test(type< reference_wrapper<T> >); - - template<bool wrapped> - struct reference_unwrapper - { - template <class T> - struct apply - { - typedef T type; - }; - }; - - template<> - struct reference_unwrapper<true> - { - template <class T> - struct apply - { - typedef typename T::type type; - }; - }; -} - -template<typename T> -class is_reference_wrapper -{ - public: - BOOST_STATIC_CONSTANT( - bool, value = ( - sizeof(detail::is_reference_wrapper_test(type<T>())) - == sizeof(detail::yes_reference_wrapper_t))); - - typedef ::boost::mpl::bool_<value> type; -}; - -template <typename T> -class unwrap_reference - : public detail::reference_unwrapper< - is_reference_wrapper<T>::value - >::template apply<T> -{}; - -# endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION - -template <class T> inline typename unwrap_reference<T>::type& -unwrap_ref(T& t) -{ - return t; -} - -template<class T> inline T* get_pointer( reference_wrapper<T> const & r ) -{ - return r.get_pointer(); -} - -} // namespace boost - -#endif // #ifndef BOOST_REF_HPP_INCLUDED |