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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // This is almost the source from N3656 ("make_unique (Revision 1)"; | 5 // This is almost the source from N3656 ("make_unique (Revision 1)"; |
6 // https://isocpp.org/files/papers/N3656.txt) almost verbatim, so that we have a | 6 // https://isocpp.org/files/papers/N3656.txt) almost verbatim, so that we have a |
7 // "make_unique" to use until we can use C++14. The following changes have been | 7 // "make_unique" to use until we can use C++14. The following changes have been |
8 // made: | 8 // made: |
9 // - It's called |MakeUnique| instead of |make_unique|. | 9 // - It's called |MakeUnique| instead of |make_unique|. |
10 // - It's in the |mojo::util| namespace instead of |std|; this also | 10 // - It's in the |mojo::util| namespace instead of |std|; this also |
11 // necessitates adding some |std::|s. | 11 // necessitates adding some |std::|s. |
12 // - It's been formatted. | 12 // - It's been formatted. |
13 | 13 |
14 #ifndef MOJO_EDK_UTIL_MAKE_UNIQUE_H_ | 14 #ifndef MOJO_EDK_UTIL_MAKE_UNIQUE_H_ |
15 #define MOJO_EDK_UTIL_MAKE_UNIQUE_H_ | 15 #define MOJO_EDK_UTIL_MAKE_UNIQUE_H_ |
16 | 16 |
17 #include <cstddef> | 17 #include <stddef.h> |
| 18 |
18 #include <memory> | 19 #include <memory> |
19 #include <type_traits> | 20 #include <type_traits> |
20 #include <utility> | 21 #include <utility> |
21 | 22 |
22 namespace mojo { | 23 namespace mojo { |
23 namespace util { | 24 namespace util { |
24 | 25 |
25 template <class T> | 26 template <class T> |
26 struct _Unique_if { | 27 struct _Unique_if { |
27 typedef std::unique_ptr<T> _Single_object; | 28 typedef std::unique_ptr<T> _Single_object; |
(...skipping 20 matching lines...) Expand all Loading... |
48 return std::unique_ptr<T>(new U[n]()); | 49 return std::unique_ptr<T>(new U[n]()); |
49 } | 50 } |
50 | 51 |
51 template <class T, class... Args> | 52 template <class T, class... Args> |
52 typename _Unique_if<T>::_Known_bound MakeUnique(Args&&...) = delete; | 53 typename _Unique_if<T>::_Known_bound MakeUnique(Args&&...) = delete; |
53 | 54 |
54 } // namespace util | 55 } // namespace util |
55 } // namespace mojo | 56 } // namespace mojo |
56 | 57 |
57 #endif // MOJO_EDK_UTIL_MAKE_UNIQUE_H_ | 58 #endif // MOJO_EDK_UTIL_MAKE_UNIQUE_H_ |
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