xref: /aosp_15_r20/frameworks/native/include/gui/SpHash.h (revision 38e8c45f13ce32b0dcecb25141ffecaf386fa17f)
1*38e8c45fSAndroid Build Coastguard Worker /*
2*38e8c45fSAndroid Build Coastguard Worker  * Copyright (C) 2022 The Android Open Source Project
3*38e8c45fSAndroid Build Coastguard Worker  *
4*38e8c45fSAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
5*38e8c45fSAndroid Build Coastguard Worker  * you may not use this file except in compliance with the License.
6*38e8c45fSAndroid Build Coastguard Worker  * You may obtain a copy of the License at
7*38e8c45fSAndroid Build Coastguard Worker  *
8*38e8c45fSAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
9*38e8c45fSAndroid Build Coastguard Worker  *
10*38e8c45fSAndroid Build Coastguard Worker  * Unless required by applicable law or agreed to in writing, software
11*38e8c45fSAndroid Build Coastguard Worker  * distributed under the License is distributed on an "AS IS" BASIS,
12*38e8c45fSAndroid Build Coastguard Worker  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*38e8c45fSAndroid Build Coastguard Worker  * See the License for the specific language governing permissions and
14*38e8c45fSAndroid Build Coastguard Worker  * limitations under the License.
15*38e8c45fSAndroid Build Coastguard Worker  */
16*38e8c45fSAndroid Build Coastguard Worker 
17*38e8c45fSAndroid Build Coastguard Worker #pragma once
18*38e8c45fSAndroid Build Coastguard Worker 
19*38e8c45fSAndroid Build Coastguard Worker #include <stdint.h>
20*38e8c45fSAndroid Build Coastguard Worker #include <sys/types.h>
21*38e8c45fSAndroid Build Coastguard Worker 
22*38e8c45fSAndroid Build Coastguard Worker #include <functional>
23*38e8c45fSAndroid Build Coastguard Worker 
24*38e8c45fSAndroid Build Coastguard Worker namespace android::gui {
25*38e8c45fSAndroid Build Coastguard Worker 
26*38e8c45fSAndroid Build Coastguard Worker template <typename T>
27*38e8c45fSAndroid Build Coastguard Worker struct SpHash {
operatorSpHash28*38e8c45fSAndroid Build Coastguard Worker     size_t operator()(const sp<T>& k) const { return std::hash<T*>()(k.get()); }
29*38e8c45fSAndroid Build Coastguard Worker };
30*38e8c45fSAndroid Build Coastguard Worker 
31*38e8c45fSAndroid Build Coastguard Worker }; // namespace android::gui
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