diff options
Diffstat (limited to 'libcxx/include/__functional/reference_wrapper.h')
| -rw-r--r-- | libcxx/include/__functional/reference_wrapper.h | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/libcxx/include/__functional/reference_wrapper.h b/libcxx/include/__functional/reference_wrapper.h index e1e4abd80c23..d04d51568beb 100644 --- a/libcxx/include/__functional/reference_wrapper.h +++ b/libcxx/include/__functional/reference_wrapper.h @@ -34,25 +34,16 @@ public: private: type* __f_; -#ifndef _LIBCPP_CXX03_LANG static void __fun(_Tp&) _NOEXCEPT; static void __fun(_Tp&&) = delete; -#endif public: - // construct/copy/destroy -#ifdef _LIBCPP_CXX03_LANG - _LIBCPP_INLINE_VISIBILITY - reference_wrapper(type& __f) _NOEXCEPT - : __f_(_VSTD::addressof(__f)) {} -#else - template <class _Up, class = __enable_if_t<!__is_same_uncvref<_Up, reference_wrapper>::value, decltype(__fun(declval<_Up>())) >> + template <class _Up, class = __enable_if_t<!__is_same_uncvref<_Up, reference_wrapper>::value, decltype(__fun(declval<_Up>())) > > _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 reference_wrapper(_Up&& __u) _NOEXCEPT_(noexcept(__fun(declval<_Up>()))) { type& __f = static_cast<_Up&&>(__u); __f_ = _VSTD::addressof(__f); } -#endif // access _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 @@ -176,7 +167,7 @@ public: #endif // _LIBCPP_CXX03_LANG }; -#if _LIBCPP_STD_VER >= 17 +#if _LIBCPP_STD_VER > 14 template <class _Tp> reference_wrapper(_Tp&) -> reference_wrapper<_Tp>; #endif @@ -194,7 +185,7 @@ inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 reference_wrapper<_Tp> ref(reference_wrapper<_Tp> __t) _NOEXCEPT { - return _VSTD::ref(__t.get()); + return __t; } template <class _Tp> @@ -210,13 +201,11 @@ inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 reference_wrapper<const _Tp> cref(reference_wrapper<_Tp> __t) _NOEXCEPT { - return _VSTD::cref(__t.get()); + return __t; } -#ifndef _LIBCPP_CXX03_LANG template <class _Tp> void ref(const _Tp&&) = delete; template <class _Tp> void cref(const _Tp&&) = delete; -#endif _LIBCPP_END_NAMESPACE_STD |