| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_DOM_TASK_TYPE_TRAITS_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_DOM_TASK_TYPE_TRAITS_H_ |
| |
| #include "third_party/blink/public/platform/task_type.h" |
| #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h" |
| #include "third_party/blink/renderer/platform/wtf/hash_traits.h" |
| |
| namespace blink { |
| |
| // HashTraits for TaskType. |
| struct TaskTypeTraits : WTF::GenericHashTraits<TaskType> { |
| static const bool kEmptyValueIsZero = false; |
| static TaskType EmptyValue() { return static_cast<TaskType>(-1); } |
| static void ConstructDeletedValue(TaskType& slot, bool) { |
| slot = static_cast<TaskType>(-2); |
| } |
| static bool IsDeletedValue(TaskType value) { |
| return value == static_cast<TaskType>(-2); |
| } |
| }; |
| |
| } // namespace blink |
| |
| #endif |
