diff options
Diffstat (limited to 'contrib/src/boost/move/utility.hpp')
-rw-r--r-- | contrib/src/boost/move/utility.hpp | 300 |
1 files changed, 150 insertions, 150 deletions
diff --git a/contrib/src/boost/move/utility.hpp b/contrib/src/boost/move/utility.hpp index e7d6605..28de793 100644 --- a/contrib/src/boost/move/utility.hpp +++ b/contrib/src/boost/move/utility.hpp @@ -1,150 +1,150 @@ -//////////////////////////////////////////////////////////////////////////////
-//
-// (C) Copyright Ion Gaztanaga 2012-2012.
-// 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/move for documentation.
-//
-//////////////////////////////////////////////////////////////////////////////
-
-//! \file
-//! This header includes core utilities from <tt><boost/move/utility_core.hpp></tt> and defines
-//! some more advanced utilities such as:
-
-#ifndef BOOST_MOVE_MOVE_UTILITY_HPP
-#define BOOST_MOVE_MOVE_UTILITY_HPP
-
-#ifndef BOOST_CONFIG_HPP
-# include <boost/config.hpp>
-#endif
-#
-#if defined(BOOST_HAS_PRAGMA_ONCE)
-# pragma once
-#endif
-
-#include <boost/move/detail/config_begin.hpp>
-#include <boost/move/detail/workaround.hpp> //forceinline
-#include <boost/move/utility_core.hpp>
-#include <boost/move/traits.hpp>
-
-#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_MOVE_DOXYGEN_INVOKED)
-
- namespace boost {
-
- //////////////////////////////////////////////////////////////////////////////
- //
- // move_if_noexcept()
- //
- //////////////////////////////////////////////////////////////////////////////
-
- template <class T>
- BOOST_MOVE_FORCEINLINE typename ::boost::move_detail::enable_if_c
- < enable_move_utility_emulation<T>::value && !has_move_emulation_enabled<T>::value
- , typename ::boost::move_detail::add_const<T>::type &
- >::type
- move_if_noexcept(T& x) BOOST_NOEXCEPT
- {
- return x;
- }
-
- template <class T>
- BOOST_MOVE_FORCEINLINE typename ::boost::move_detail::enable_if_c
- < enable_move_utility_emulation<T>::value && has_move_emulation_enabled<T>::value
- && ::boost::move_detail::is_nothrow_move_constructible_or_uncopyable<T>::value, rv<T>&>::type
- move_if_noexcept(T& x) BOOST_NOEXCEPT
- {
- return *static_cast<rv<T>* >(::boost::move_detail::addressof(x));
- }
-
- template <class T>
- BOOST_MOVE_FORCEINLINE typename ::boost::move_detail::enable_if_c
- < enable_move_utility_emulation<T>::value && has_move_emulation_enabled<T>::value
- && ::boost::move_detail::is_nothrow_move_constructible_or_uncopyable<T>::value
- , rv<T>&
- >::type
- move_if_noexcept(rv<T>& x) BOOST_NOEXCEPT
- {
- return x;
- }
-
- template <class T>
- BOOST_MOVE_FORCEINLINE typename ::boost::move_detail::enable_if_c
- < enable_move_utility_emulation<T>::value && has_move_emulation_enabled<T>::value
- && !::boost::move_detail::is_nothrow_move_constructible_or_uncopyable<T>::value
- , typename ::boost::move_detail::add_const<T>::type &
- >::type
- move_if_noexcept(T& x) BOOST_NOEXCEPT
- {
- return x;
- }
-
- template <class T>
- BOOST_MOVE_FORCEINLINE typename ::boost::move_detail::enable_if_c
- < enable_move_utility_emulation<T>::value && has_move_emulation_enabled<T>::value
- && !::boost::move_detail::is_nothrow_move_constructible_or_uncopyable<T>::value
- , typename ::boost::move_detail::add_const<T>::type &
- >::type
- move_if_noexcept(rv<T>& x) BOOST_NOEXCEPT
- {
- return x;
- }
-
- } //namespace boost
-
-#else //#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_MOVE_DOXYGEN_INVOKED)
-
- #if defined(BOOST_MOVE_USE_STANDARD_LIBRARY_MOVE)
- #include <utility>
-
- namespace boost{
-
- using ::std::move_if_noexcept;
-
- } //namespace boost
-
- #else //!BOOST_MOVE_USE_STANDARD_LIBRARY_MOVE
-
- namespace boost {
-
- //////////////////////////////////////////////////////////////////////////////
- //
- // move_if_noexcept()
- //
- //////////////////////////////////////////////////////////////////////////////
- #if defined(BOOST_MOVE_DOXYGEN_INVOKED)
- //! This function provides a way to convert a reference into a rvalue reference
- //! in compilers with rvalue references. For other compilers converts T & into
- //! <i>::boost::rv<T> &</i> so that move emulation is activated. Reference
- //! would be converted to rvalue reference only if input type is nothrow move
- //! constructible or if it has no copy constructor. In all other cases const
- //! reference would be returned
- template <class T>
- rvalue_reference_or_const_lvalue_reference move_if_noexcept(input_reference) noexcept;
-
- #else //BOOST_MOVE_DOXYGEN_INVOKED
-
- template <class T>
- BOOST_MOVE_FORCEINLINE typename ::boost::move_detail::enable_if_c
- < ::boost::move_detail::is_nothrow_move_constructible_or_uncopyable<T>::value, T&&>::type
- move_if_noexcept(T& x) BOOST_NOEXCEPT
- { return ::boost::move(x); }
-
- template <class T>
- BOOST_MOVE_FORCEINLINE typename ::boost::move_detail::enable_if_c
- < !::boost::move_detail::is_nothrow_move_constructible_or_uncopyable<T>::value, const T&>::type
- move_if_noexcept(T& x) BOOST_NOEXCEPT
- { return x; }
-
- #endif //BOOST_MOVE_DOXYGEN_INVOKED
-
- } //namespace boost {
-
- #endif //#if defined(BOOST_MOVE_USE_STANDARD_LIBRARY_MOVE)
-
-#endif //BOOST_NO_CXX11_RVALUE_REFERENCES
-
-#include <boost/move/detail/config_end.hpp>
-
-#endif //#ifndef BOOST_MOVE_MOVE_UTILITY_HPP
+////////////////////////////////////////////////////////////////////////////// +// +// (C) Copyright Ion Gaztanaga 2012-2012. +// 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/move for documentation. +// +////////////////////////////////////////////////////////////////////////////// + +//! \file +//! This header includes core utilities from <tt><boost/move/utility_core.hpp></tt> and defines +//! some more advanced utilities such as: + +#ifndef BOOST_MOVE_MOVE_UTILITY_HPP +#define BOOST_MOVE_MOVE_UTILITY_HPP + +#ifndef BOOST_CONFIG_HPP +# include <boost/config.hpp> +#endif +# +#if defined(BOOST_HAS_PRAGMA_ONCE) +# pragma once +#endif + +#include <boost/move/detail/config_begin.hpp> +#include <boost/move/detail/workaround.hpp> //forceinline +#include <boost/move/utility_core.hpp> +#include <boost/move/traits.hpp> + +#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_MOVE_DOXYGEN_INVOKED) + + namespace boost { + + ////////////////////////////////////////////////////////////////////////////// + // + // move_if_noexcept() + // + ////////////////////////////////////////////////////////////////////////////// + + template <class T> + BOOST_MOVE_FORCEINLINE typename ::boost::move_detail::enable_if_c + < enable_move_utility_emulation<T>::value && !has_move_emulation_enabled<T>::value + , typename ::boost::move_detail::add_const<T>::type & + >::type + move_if_noexcept(T& x) BOOST_NOEXCEPT + { + return x; + } + + template <class T> + BOOST_MOVE_FORCEINLINE typename ::boost::move_detail::enable_if_c + < enable_move_utility_emulation<T>::value && has_move_emulation_enabled<T>::value + && ::boost::move_detail::is_nothrow_move_constructible_or_uncopyable<T>::value, rv<T>&>::type + move_if_noexcept(T& x) BOOST_NOEXCEPT + { + return *static_cast<rv<T>* >(::boost::move_detail::addressof(x)); + } + + template <class T> + BOOST_MOVE_FORCEINLINE typename ::boost::move_detail::enable_if_c + < enable_move_utility_emulation<T>::value && has_move_emulation_enabled<T>::value + && ::boost::move_detail::is_nothrow_move_constructible_or_uncopyable<T>::value + , rv<T>& + >::type + move_if_noexcept(rv<T>& x) BOOST_NOEXCEPT + { + return x; + } + + template <class T> + BOOST_MOVE_FORCEINLINE typename ::boost::move_detail::enable_if_c + < enable_move_utility_emulation<T>::value && has_move_emulation_enabled<T>::value + && !::boost::move_detail::is_nothrow_move_constructible_or_uncopyable<T>::value + , typename ::boost::move_detail::add_const<T>::type & + >::type + move_if_noexcept(T& x) BOOST_NOEXCEPT + { + return x; + } + + template <class T> + BOOST_MOVE_FORCEINLINE typename ::boost::move_detail::enable_if_c + < enable_move_utility_emulation<T>::value && has_move_emulation_enabled<T>::value + && !::boost::move_detail::is_nothrow_move_constructible_or_uncopyable<T>::value + , typename ::boost::move_detail::add_const<T>::type & + >::type + move_if_noexcept(rv<T>& x) BOOST_NOEXCEPT + { + return x; + } + + } //namespace boost + +#else //#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_MOVE_DOXYGEN_INVOKED) + + #if defined(BOOST_MOVE_USE_STANDARD_LIBRARY_MOVE) + #include <utility> + + namespace boost{ + + using ::std::move_if_noexcept; + + } //namespace boost + + #else //!BOOST_MOVE_USE_STANDARD_LIBRARY_MOVE + + namespace boost { + + ////////////////////////////////////////////////////////////////////////////// + // + // move_if_noexcept() + // + ////////////////////////////////////////////////////////////////////////////// + #if defined(BOOST_MOVE_DOXYGEN_INVOKED) + //! This function provides a way to convert a reference into a rvalue reference + //! in compilers with rvalue references. For other compilers converts T & into + //! <i>::boost::rv<T> &</i> so that move emulation is activated. Reference + //! would be converted to rvalue reference only if input type is nothrow move + //! constructible or if it has no copy constructor. In all other cases const + //! reference would be returned + template <class T> + rvalue_reference_or_const_lvalue_reference move_if_noexcept(input_reference) noexcept; + + #else //BOOST_MOVE_DOXYGEN_INVOKED + + template <class T> + BOOST_MOVE_FORCEINLINE typename ::boost::move_detail::enable_if_c + < ::boost::move_detail::is_nothrow_move_constructible_or_uncopyable<T>::value, T&&>::type + move_if_noexcept(T& x) BOOST_NOEXCEPT + { return ::boost::move(x); } + + template <class T> + BOOST_MOVE_FORCEINLINE typename ::boost::move_detail::enable_if_c + < !::boost::move_detail::is_nothrow_move_constructible_or_uncopyable<T>::value, const T&>::type + move_if_noexcept(T& x) BOOST_NOEXCEPT + { return x; } + + #endif //BOOST_MOVE_DOXYGEN_INVOKED + + } //namespace boost { + + #endif //#if defined(BOOST_MOVE_USE_STANDARD_LIBRARY_MOVE) + +#endif //BOOST_NO_CXX11_RVALUE_REFERENCES + +#include <boost/move/detail/config_end.hpp> + +#endif //#ifndef BOOST_MOVE_MOVE_UTILITY_HPP |