1 | // Copyright (c) 2010 Google Inc. |
2 | // All rights reserved. |
3 | // |
4 | // Redistribution and use in source and binary forms, with or without |
5 | // modification, are permitted provided that the following conditions are |
6 | // met: |
7 | // |
8 | // * Redistributions of source code must retain the above copyright |
9 | // notice, this list of conditions and the following disclaimer. |
10 | // * Redistributions in binary form must reproduce the above |
11 | // copyright notice, this list of conditions and the following disclaimer |
12 | // in the documentation and/or other materials provided with the |
13 | // distribution. |
14 | // * Neither the name of Google Inc. nor the names of its |
15 | // contributors may be used to endorse or promote products derived from |
16 | // this software without specific prior written permission. |
17 | // |
18 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
19 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
20 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
21 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
22 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
23 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
24 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | |
30 | // Include this file to use unordered_map and unordered_set. If tr1 |
31 | // or C++11 is not available, you can switch to using hash_set and |
32 | // hash_map by defining BP_USE_HASH_SET. |
33 | |
34 | #ifndef COMMON_UNORDERED_H_ |
35 | #define COMMON_UNORDERED_H_ |
36 | |
37 | #if defined(BP_USE_HASH_SET) |
38 | #include <hash_map> |
39 | #include <hash_set> |
40 | |
41 | // For hash<string>. |
42 | #include "util/hash/hash.h" |
43 | |
44 | template <class T, class U, class H = __gnu_cxx::hash<T> > |
45 | struct unordered_map : public __gnu_cxx::hash_map<T, U, H> {}; |
46 | template <class T, class H = __gnu_cxx::hash<T> > |
47 | struct unordered_set : public __gnu_cxx::hash_set<T, H> {}; |
48 | |
49 | #else |
50 | #include <unordered_map> |
51 | #include <unordered_set> |
52 | using std::unordered_map; |
53 | using std::unordered_set; |
54 | #endif |
55 | |
56 | #endif // COMMON_UNORDERED_H_ |
57 | |