1 // Copyright 2014 The Android Open Source Project
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #pragma once
16 
17 // Use this inside a class declaration to ensure that the corresponding objects
18 // cannot be copy-constructed or assigned. For example:
19 //
20 //   class Foo {
21 //       ....
22 //       DISALLOW_COPY_AND_ASSIGN(Foo)
23 //       ....
24 //   };
25 //
26 // Note: this macro is sometimes defined in 3rd-party libs, so let's check first
27 #ifndef DISALLOW_COPY_AND_ASSIGN
28 
29 #define DISALLOW_COPY_AND_ASSIGN(T) \
30     T(const T& other) = delete; \
31     T& operator=(const T& other) = delete
32 
33 #endif
34 
35 #ifndef DISALLOW_COPY_ASSIGN_AND_MOVE
36 
37 #define DISALLOW_COPY_ASSIGN_AND_MOVE(T) \
38     DISALLOW_COPY_AND_ASSIGN(T); \
39     T(T&&) = delete; \
40     T& operator=(T&&) = delete
41 
42 #endif
43