| // Copyright 2023 The Abseil Authors. | |
| // | |
| // Licensed under the Apache License, Version 2.0 (the "License"); | |
| // you may not use this file except in compliance with the License. | |
| // You may obtain a copy of the License at | |
| // | |
| // 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, | |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| // See the License for the specific language governing permissions and | |
| // limitations under the License. | |
| namespace absl { | |
| ABSL_NAMESPACE_BEGIN | |
| namespace nullability_internal { | |
| template <typename T> | |
| using NullableImpl | |
| [[clang::annotate("Nullable")]] | |
| // Don't add the _Nullable attribute in Objective-C compiles. Many Objective-C | |
| // projects enable the `-Wnullable-to-nonnull-conversion warning`, which is | |
| // liable to produce false positives. | |
| = T _Nullable; | |
| = T; | |
| template <typename T> | |
| using NonnullImpl | |
| [[clang::annotate("Nonnull")]] | |
| = T _Nonnull; | |
| = T; | |
| template <typename T> | |
| using NullabilityUnknownImpl | |
| [[clang::annotate("Nullability_Unspecified")]] | |
| = T _Null_unspecified; | |
| = T; | |
| } // namespace nullability_internal | |
| ABSL_NAMESPACE_END | |
| } // namespace absl | |