diff options
Diffstat (limited to 'absl/base/casts.h')
| -rw-r--r-- | absl/base/casts.h | 29 |
1 files changed, 11 insertions, 18 deletions
diff --git a/absl/base/casts.h b/absl/base/casts.h index bba623b4..b67b047c 100644 --- a/absl/base/casts.h +++ b/absl/base/casts.h @@ -5,7 +5,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -27,32 +27,25 @@ #include <cstring> #include <memory> #include <type_traits> +#include <utility> #include "absl/base/internal/identity.h" #include "absl/base/macros.h" +#include "absl/meta/type_traits.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { 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 @@ -185,7 +178,7 @@ inline Dest bit_cast(const Source& source) { return dest; } -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_BASE_CASTS_H_ |