diff options
| author | Abseil Team <absl-team@google.com> | 2019-04-12T07·26-0700 |
|---|---|---|
| committer | Shaindel Schwartz <shaindel@google.com> | 2019-04-12T19·05-0400 |
| commit | a02f62f456f2c4a7ecf2be3104fe0c6e16fbad9a (patch) | |
| tree | f272090343f4daae3a1d06de120db8ebc54cfc72 /absl/base/casts.h | |
| parent | 0b545b460141b882b244a1efcef7621d59278160 (diff) | |
Export of internal Abseil changes.
-- 5755b40f6025f3ca126070fc68adb8fde9a7f01b by Abseil Team <absl-team@google.com>: Fix -Wextra-semi error. PiperOrigin-RevId: 243215850 -- 3b6b6e18df9fbd233943cae460f0063f4efaa7c7 by Eric Fiselier <ericwf@google.com>: Internal Change. PiperOrigin-RevId: 243152671 -- 82eef03f246009c806c25607c5682547cb4ad21e by Abseil Team <absl-team@google.com>: Internal change. PiperOrigin-RevId: 243151861 -- c14e6340fca7070634e0ecfdf97833d930dd0e5d by Samuel Benzaquen <sbenza@google.com>: Internal change PiperOrigin-RevId: 243123590 -- 9abb7a6b22457c0aa72d72b3b9392efd226d302a by Andy Getzendanner <durandal@google.com>: Implement operator<<(std::ostream &, absl::LogSeverity) so that absl::LogSeverity values can be streamed. PiperOrigin-RevId: 243117646 GitOrigin-RevId: 5755b40f6025f3ca126070fc68adb8fde9a7f01b Change-Id: I7ea607d8a4e803ad15a3090139271f58ad4173a3
Diffstat (limited to 'absl/base/casts.h')
| -rw-r--r-- | absl/base/casts.h | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/absl/base/casts.h b/absl/base/casts.h index 00196d20ae77..a381c4276441 100644 --- a/absl/base/casts.h +++ b/absl/base/casts.h @@ -30,28 +30,20 @@ #include "absl/base/internal/identity.h" #include "absl/base/macros.h" +#include "absl/meta/type_traits.h" namespace absl { namespace internal_casts { -// NOTE: Not a fully compliant implementation of `std::is_trivially_copyable`. -// TODO(calabrese) Branch on implementations that directly provide -// `std::is_trivially_copyable`, create a more rigorous workaround, and publicly -// expose in meta/type_traits. -template <class T> -struct is_trivially_copyable - : std::integral_constant< - bool, std::is_destructible<T>::value&& __has_trivial_destructor(T) && - __has_trivial_copy(T) && __has_trivial_assign(T)> {}; - template <class Dest, class Source> struct is_bitcastable - : std::integral_constant<bool, - sizeof(Dest) == sizeof(Source) && - is_trivially_copyable<Source>::value && - is_trivially_copyable<Dest>::value && - std::is_default_constructible<Dest>::value> {}; + : std::integral_constant< + bool, + sizeof(Dest) == sizeof(Source) && + type_traits_internal::is_trivially_copyable<Source>::value && + type_traits_internal::is_trivially_copyable<Dest>::value && + std::is_default_constructible<Dest>::value> {}; } // namespace internal_casts |