boostorg/move
1
0
Fork 1
mirror of https://github.com/boostorg/move.git synced 2025-07-31 12:57:14 +02:00
Code Issues Packages Projects Releases Wiki Activity

Add newer BOOST_MOVE_HAS_NOTHROW_MOVE_CONSTRUCT intrinsics

Browse Source
This commit is contained in:
Ion Gaztañaga
2020-08-09 23:43:11 +02:00
parent 8dbce71f6b
commit 9a77e69bb5
1 changed files with 23 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
include/boost/move/detail/type_traits.hpp
View File

@ -65,6 +65,8 @@
// BOOST_MOVE_HAS_NOTHROW_COPY(T) should evaluate to true if T(t) can not throw
// BOOST_MOVE_HAS_NOTHROW_ASSIGN(T) should evaluate to true if t = u can not throw
// BOOST_MOVE_IS_ENUM(T) should evaluate to true it t is a union type.
// BOOST_MOVE_HAS_NOTHROW_MOVE_CONSTRUCT(T) should evaluate to true if T has a non-throwing move constructor.
// BOOST_MOVE_HAS_NOTHROW_MOVE_ASSIGN(T) should evaluate to true if T has a non-throwing move assignment operator.
//
// The following can also be defined: when detected our implementation is greatly simplified.
//
@ -102,6 +104,10 @@
# define BOOST_MOVE_HAS_TRIVIAL_MOVE_CONSTRUCTOR(T) (__has_trivial_move_constructor(T) || ::boost::move_detail::is_pod<T>::value)
# define BOOST_MOVE_HAS_TRIVIAL_MOVE_ASSIGN(T) (__has_trivial_move_assign(T) || ::boost::move_detail::is_pod<T>::value)
# endif
# if _MSC_FULL_VER >= 180020827
# define BOOST_MOVE_HAS_NOTHROW_MOVE_ASSIGN(T) (__is_nothrow_assignable(T&, T&&))
# define BOOST_MOVE_HAS_NOTHROW_MOVE_CONSTRUCT(T) (__is_nothrow_constructible(T, T&&))
# endif
#endif
#if defined(BOOST_CLANG) && defined(__has_feature)
@ -243,13 +249,13 @@
#endif
#ifdef BOOST_MOVE_HAS_TRIVIAL_CONSTRUCTOR
#define BOOST_MOVE_IS_TRIVIALLY_DEFAULT_CONSTRUCTIBLE(T) BOOST_MOVE_HAS_TRIVIAL_CONSTRUCTOR(T)
#define BOOST_MOVE_IS_TRIVIALLY_DEFAULT_CONSTRUCTIBLE(T) BOOST_MOVE_HAS_TRIVIAL_CONSTRUCTOR(T) || ::boost::move_detail::is_pod<T>::value
#else
#define BOOST_MOVE_IS_TRIVIALLY_DEFAULT_CONSTRUCTIBLE(T) ::boost::move_detail::is_pod<T>::value
#endif
#ifdef BOOST_MOVE_HAS_TRIVIAL_MOVE_CONSTRUCTOR
#define BOOST_MOVE_IS_TRIVIALLY_MOVE_CONSTRUCTIBLE(T) BOOST_MOVE_HAS_TRIVIAL_MOVE_CONSTRUCTOR(T)
#define BOOST_MOVE_IS_TRIVIALLY_MOVE_CONSTRUCTIBLE(T) BOOST_MOVE_HAS_TRIVIAL_MOVE_CONSTRUCTOR(T) || ::boost::move_detail::is_pod<T>::value
#else
#define BOOST_MOVE_IS_TRIVIALLY_MOVE_CONSTRUCTIBLE(T) ::boost::move_detail::is_pod<T>::value
#endif
@ -263,45 +269,45 @@
#endif
#ifdef BOOST_MOVE_HAS_TRIVIAL_MOVE_ASSIGN
#define BOOST_MOVE_IS_TRIVIALLY_MOVE_ASSIGNABLE(T) BOOST_MOVE_HAS_TRIVIAL_MOVE_ASSIGN(T)
#define BOOST_MOVE_IS_TRIVIALLY_MOVE_ASSIGNABLE(T) BOOST_MOVE_HAS_TRIVIAL_MOVE_ASSIGN(T) || ::boost::move_detail::is_pod<T>::value
#else
#define BOOST_MOVE_IS_TRIVIALLY_MOVE_ASSIGNABLE(T) ::boost::move_detail::is_pod<T>::value
#endif
#ifdef BOOST_MOVE_HAS_TRIVIAL_DESTRUCTOR
#define BOOST_MOVE_IS_TRIVIALLY_DESTRUCTIBLE(T) BOOST_MOVE_HAS_TRIVIAL_DESTRUCTOR(T)
#define BOOST_MOVE_IS_TRIVIALLY_DESTRUCTIBLE(T) BOOST_MOVE_HAS_TRIVIAL_DESTRUCTOR(T) || ::boost::move_detail::is_pod<T>::value
#else
#define BOOST_MOVE_IS_TRIVIALLY_DESTRUCTIBLE(T) ::boost::move_detail::is_pod<T>::value
#endif
#ifdef BOOST_MOVE_HAS_NOTHROW_CONSTRUCTOR
#define BOOST_MOVE_IS_NOTHROW_DEFAULT_CONSTRUCTIBLE(T) BOOST_MOVE_HAS_NOTHROW_CONSTRUCTOR(T)
#define BOOST_MOVE_IS_NOTHROW_DEFAULT_CONSTRUCTIBLE(T) BOOST_MOVE_HAS_NOTHROW_CONSTRUCTOR(T) || ::boost::move_detail::is_pod<T>::value
#else
#define BOOST_MOVE_IS_NOTHROW_DEFAULT_CONSTRUCTIBLE(T) ::boost::move_detail::is_pod<T>::value
#endif
#ifdef BOOST_MOVE_HAS_NOTHROW_COPY
#define BOOST_MOVE_IS_NOTHROW_COPY_CONSTRUCTIBLE(T) BOOST_MOVE_HAS_NOTHROW_COPY(T)
#define BOOST_MOVE_IS_NOTHROW_COPY_CONSTRUCTIBLE(T) BOOST_MOVE_HAS_NOTHROW_COPY(T) || ::boost::move_detail::is_pod<T>::value
#else
#define BOOST_MOVE_IS_NOTHROW_COPY_CONSTRUCTIBLE(T) ::boost::move_detail::is_pod<T>::value
#endif
#ifdef BOOST_MOVE_HAS_NOTHROW_MOVE
#define BOOST_MOVE_IS_NOTHROW_MOVE_CONSTRUCTIBLE(T) BOOST_MOVE_HAS_NOTHROW_MOVE(T)
#else
#define BOOST_MOVE_IS_NOTHROW_MOVE_CONSTRUCTIBLE(T) ::boost::move_detail::is_pod<T>::value
#define BOOST_MOVE_IS_NOTHROW_COPY_CONSTRUCTIBLE(T) BOOST_MOVE_IS_TRIVIALLY_COPY_ASSIGNABLE(T)
#endif
#ifdef BOOST_MOVE_HAS_NOTHROW_ASSIGN
#define BOOST_MOVE_IS_NOTHROW_COPY_ASSIGNABLE(T) BOOST_MOVE_HAS_NOTHROW_ASSIGN(T)
#define BOOST_MOVE_IS_NOTHROW_COPY_ASSIGNABLE(T) BOOST_MOVE_HAS_NOTHROW_ASSIGN(T) || ::boost::move_detail::is_pod<T>::value
#else
#define BOOST_MOVE_IS_NOTHROW_COPY_ASSIGNABLE(T) ::boost::move_detail::is_pod<T>::value
#define BOOST_MOVE_IS_NOTHROW_COPY_ASSIGNABLE(T) BOOST_MOVE_IS_TRIVIALLY_COPY_ASSIGNABLE(T)
#endif
#ifdef BOOST_MOVE_HAS_NOTHROW_MOVE_CONSTRUCT
#define BOOST_MOVE_IS_NOTHROW_MOVE_CONSTRUCTIBLE(T) BOOST_MOVE_HAS_NOTHROW_MOVE_CONSTRUCT(T) || ::boost::move_detail::is_pod<T>::value
#else
#define BOOST_MOVE_IS_NOTHROW_MOVE_CONSTRUCTIBLE(T) BOOST_MOVE_IS_TRIVIALLY_MOVE_ASSIGNABLE(T)
#endif
#ifdef BOOST_MOVE_HAS_NOTHROW_MOVE_ASSIGN
#define BOOST_MOVE_IS_NOTHROW_MOVE_ASSIGNABLE(T) BOOST_MOVE_HAS_NOTHROW_MOVE_ASSIGN(T)
#define BOOST_MOVE_IS_NOTHROW_MOVE_ASSIGNABLE(T) BOOST_MOVE_HAS_NOTHROW_MOVE_ASSIGN(T) || ::boost::move_detail::is_pod<T>::value
#else
#define BOOST_MOVE_IS_NOTHROW_MOVE_ASSIGNABLE(T) ::boost::move_detail::is_pod<T>::value
#define BOOST_MOVE_IS_NOTHROW_MOVE_ASSIGNABLE(T) BOOST_MOVE_IS_TRIVIALLY_MOVE_ASSIGNABLE(T)
#endif
#ifdef BOOST_MOVE_IS_ENUM
@ -852,7 +858,6 @@ struct is_trivially_move_assignable
//////////////////////////////////////
template<class T>
struct is_nothrow_default_constructible
: is_pod<T>
{ static const bool value = BOOST_MOVE_IS_NOTHROW_DEFAULT_CONSTRUCTIBLE(T); };
//////////////////////////////////////