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Workaround compilers w/o C++1z inline variables

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@287255 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2016-11-17 20:08:43 +00:00
parent c0ccadbd90
commit a93ebeca94
2 changed files with 17 additions and 3 deletions
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15
include/utility
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@@ -897,21 +897,30 @@ _T1 exchange(_T1& __obj, _T2 && __new_value)
struct _LIBCPP_TYPE_VIS in_place_t {
explicit in_place_t() = default;
};
inline constexpr in_place_t in_place{};
#ifndef _LIBCPP_HAS_NO_INLINE_VARIABLES
inline
#endif
constexpr in_place_t in_place{};
template <class _Tp>
struct _LIBCPP_TYPE_VIS in_place_type_t {
explicit in_place_type_t() = default;
};
template <class _Tp>
inline constexpr in_place_type_t<_Tp> in_place_type{};
#ifndef _LIBCPP_HAS_NO_INLINE_VARIABLES
inline
#endif
constexpr in_place_type_t<_Tp> in_place_type{};
template <size_t _Idx>
struct _LIBCPP_TYPE_VIS in_place_index_t {
explicit in_place_index_t() = default;
};
template <size_t _Idx>
inline constexpr in_place_index_t<_Idx> in_place_index{};
#ifndef _LIBCPP_HAS_NO_INLINE_VARIABLES
inline
#endif
constexpr in_place_index_t<_Idx> in_place_index{};
template <class _Tp> struct __is_inplace_type_imp : false_type {};
template <class _Tp> struct __is_inplace_type_imp<in_place_type_t<_Tp>> : true_type {};