diff options
| author | Abseil Team <absl-team@google.com> | 2019-03-20T16·34-0700 |
|---|---|---|
| committer | Derek Mauro <dmauro@google.com> | 2019-03-20T19·38-0400 |
| commit | e75672f6afc7e8f23ee7b532e86d1b3b9be3984e (patch) | |
| tree | 38bcb6aa1dc3d2390f346aa1a21c4f28229ec78f /absl/types/optional.h | |
| parent | bf29470384a101b307873b26d358433138c857fc (diff) | |
Export of internal Abseil changes.
-- 61a5128b3b3db9db7df219b7ef737b78f7743e54 by Abseil Team <absl-team@google.com>: Internal change PiperOrigin-RevId: 239413069 -- fd47ba5c2243523cc579239a220254cbc47376af by Jon Cohen <cohenjon@google.com>: Internal change. PiperOrigin-RevId: 239404848 -- bece0ae2b391351feb27547a4693f4e654b1b4ab by Eric Fiselier <ericwf@google.com>: Unconditionally include memory.h in optional. PiperOrigin-RevId: 239298731 GitOrigin-RevId: 61a5128b3b3db9db7df219b7ef737b78f7743e54 Change-Id: I09c1268154f1c8ea2b653d3e907f709e09025817
Diffstat (limited to 'absl/types/optional.h')
| -rw-r--r-- | absl/types/optional.h | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/absl/types/optional.h b/absl/types/optional.h index 58906aa467ff..f0ae9a173c22 100644 --- a/absl/types/optional.h +++ b/absl/types/optional.h @@ -36,6 +36,7 @@ #define ABSL_TYPES_OPTIONAL_H_ #include "absl/base/config.h" +#include "absl/memory/memory.h" #include "absl/utility/utility.h" #ifdef ABSL_HAVE_STD_OPTIONAL @@ -60,7 +61,6 @@ using std::nullopt; #include <utility> #include "absl/base/attributes.h" -#include "absl/memory/memory.h" #include "absl/meta/type_traits.h" #include "absl/types/bad_optional_access.h" @@ -400,23 +400,24 @@ class optional_assign_base<copy_traits::non_movable> { }; template <typename T> -constexpr copy_traits get_ctor_copy_traits() { - return std::is_copy_constructible<T>::value - ? copy_traits::copyable - : std::is_move_constructible<T>::value ? copy_traits::movable - : copy_traits::non_movable; -} +struct ctor_copy_traits { + static constexpr copy_traits traits = + std::is_copy_constructible<T>::value + ? copy_traits::copyable + : std::is_move_constructible<T>::value ? copy_traits::movable + : copy_traits::non_movable; +}; template <typename T> -constexpr copy_traits get_assign_copy_traits() { - return absl::is_copy_assignable<T>::value && - std::is_copy_constructible<T>::value - ? copy_traits::copyable - : absl::is_move_assignable<T>::value && - std::is_move_constructible<T>::value - ? copy_traits::movable - : copy_traits::non_movable; -} +struct assign_copy_traits { + static constexpr copy_traits traits = + absl::is_copy_assignable<T>::value && std::is_copy_constructible<T>::value + ? copy_traits::copyable + : absl::is_move_assignable<T>::value && + std::is_move_constructible<T>::value + ? copy_traits::movable + : copy_traits::non_movable; +}; // Whether T is constructible or convertible from optional<U>. template <typename T, typename U> @@ -482,9 +483,9 @@ struct optional_hash_base<T, decltype(std::hash<absl::remove_const_t<T> >()( template <typename T> class optional : private optional_internal::optional_data<T>, private optional_internal::optional_ctor_base< - optional_internal::get_ctor_copy_traits<T>()>, + optional_internal::ctor_copy_traits<T>::traits>, private optional_internal::optional_assign_base< - optional_internal::get_assign_copy_traits<T>()> { + optional_internal::assign_copy_traits<T>::traits> { using data_base = optional_internal::optional_data<T>; public: |