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StaticInterface.h
1 /* mbed Microcontroller Library
2  * Copyright (c) 2019 ARM Limited
3  * SPDX-License-Identifier: Apache-2.0
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 #ifndef BLE_COMMON_STATICINTERFACE_H
19 #define BLE_COMMON_STATICINTERFACE_H
20 
21 namespace ble {
22 
23 /**
24  * Static Interface helper class.
25  *
26  * @tparam Impl Implementation class.
27  * @tparam Interface Interface template
28  */
29 template <typename Impl, template<typename> class Interface>
31 {
32  /**
33  * @return A pointer to the implementation class.
34  */
35  Impl* impl()
36  {
37  return static_cast<Impl*>(this);
38  }
39 
40  /**
41  * @return A pointer to the implementation class.
42  */
43  const Impl* impl() const
44  {
45  return static_cast<const Impl*>(this);
46  }
47 
48 private:
49  StaticInterface() {}
50  friend Interface<Impl>;
51 };
52 
53 } // namespace ble
54 
55 #endif //BLE_COMMON_STATICINTERFACE_H
Static Interface helper class.
const Impl * impl() const
Entry namespace for all BLE API definitions.
Definition: ArrayView.h:37
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