diff options
Diffstat (limited to '3rdParty/Boost/src/boost/container/detail/type_traits.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/container/detail/type_traits.hpp | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/container/detail/type_traits.hpp b/3rdParty/Boost/src/boost/container/detail/type_traits.hpp new file mode 100644 index 0000000..0e096e5 --- /dev/null +++ b/3rdParty/Boost/src/boost/container/detail/type_traits.hpp @@ -0,0 +1,210 @@ +////////////////////////////////////////////////////////////////////////////// +// (C) Copyright John Maddock 2000. +// (C) Copyright Ion Gaztanaga 2005-2012. +// +// 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/container for documentation. +// +// The alignment_of implementation comes from John Maddock's boost::alignment_of code +// +////////////////////////////////////////////////////////////////////////////// + +#ifndef BOOST_CONTAINER_CONTAINER_DETAIL_TYPE_TRAITS_HPP +#define BOOST_CONTAINER_CONTAINER_DETAIL_TYPE_TRAITS_HPP + +#if (defined _MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif + +#include "config_begin.hpp" + +#include <boost/move/move.hpp> + +namespace boost { +namespace container { +namespace container_detail { + +struct nat{}; + +template <typename U> +struct LowPriorityConversion +{ + // Convertible from T with user-defined-conversion rank. + LowPriorityConversion(const U&) { } +}; + +//boost::alignment_of yields to 10K lines of preprocessed code, so we +//need an alternative +template <typename T> struct alignment_of; + +template <typename T> +struct alignment_of_hack +{ + char c; + T t; + alignment_of_hack(); +}; + +template <unsigned A, unsigned S> +struct alignment_logic +{ + enum{ value = A < S ? A : S }; +}; + +template< typename T > +struct alignment_of +{ + enum{ value = alignment_logic + < sizeof(alignment_of_hack<T>) - sizeof(T) + , sizeof(T)>::value }; +}; + +//This is not standard, but should work with all compilers +union max_align +{ + char char_; + short short_; + int int_; + long long_; + #ifdef BOOST_HAS_LONG_LONG + long long long_long_; + #endif + float float_; + double double_; + long double long_double_; + void * void_ptr_; +}; + +template<class T> +struct remove_reference +{ + typedef T type; +}; + +template<class T> +struct remove_reference<T&> +{ + typedef T type; +}; + +#ifndef BOOST_NO_RVALUE_REFERENCES + +template<class T> +struct remove_reference<T&&> +{ + typedef T type; +}; + +#else + +template<class T> +struct remove_reference< ::boost::rv<T> > +{ + typedef T type; +}; + +#endif + +template<class T> +struct is_reference +{ + enum { value = false }; +}; + +template<class T> +struct is_reference<T&> +{ + enum { value = true }; +}; + +template<class T> +struct is_pointer +{ + enum { value = false }; +}; + +template<class T> +struct is_pointer<T*> +{ + enum { value = true }; +}; + +template <typename T> +struct add_reference +{ + typedef T& type; +}; + +template<class T> +struct add_reference<T&> +{ + typedef T& type; +}; + +template<> +struct add_reference<void> +{ + typedef nat &type; +}; + +template<> +struct add_reference<const void> +{ + typedef const nat &type; +}; + +template <class T> +struct add_const_reference +{ typedef const T &type; }; + +template <class T> +struct add_const_reference<T&> +{ typedef T& type; }; + +template <typename T, typename U> +struct is_same +{ + typedef char yes_type; + struct no_type + { + char padding[8]; + }; + + template <typename V> + static yes_type is_same_tester(V*, V*); + static no_type is_same_tester(...); + + static T *t; + static U *u; + + static const bool value = sizeof(yes_type) == sizeof(is_same_tester(t,u)); +}; + +template<class T> +struct remove_const +{ + typedef T type; +}; + +template<class T> +struct remove_const< const T> +{ + typedef T type; +}; + +template<class T> +struct remove_ref_const +{ + typedef typename remove_const< typename remove_reference<T>::type >::type type; +}; + +} // namespace container_detail +} //namespace container { +} //namespace boost { + +#include <boost/container/detail/config_end.hpp> + +#endif //#ifndef BOOST_CONTAINER_CONTAINER_DETAIL_TYPE_TRAITS_HPP |