| // Copyright (c) 2010 Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| // Include this file to use unordered_map and unordered_set. If tr1 |
| // or C++11 is not available, you can switch to using hash_set and |
| // hash_map by defining BP_USE_HASH_SET. |
| |
| #ifndef COMMON_UNORDERED_H_ |
| #define COMMON_UNORDERED_H_ |
| |
| #if defined(BP_USE_HASH_SET) |
| #include <hash_map> |
| #include <hash_set> |
| |
| // For hash<string>. |
| #include "util/hash/hash.h" |
| |
| template <class T, class U, class H = __gnu_cxx::hash<T> > |
| struct unordered_map : public hash_map<T, U, H> {}; |
| template <class T, class H = __gnu_cxx::hash<T> > |
| struct unordered_set : public hash_set<T, H> {}; |
| |
| #elif defined(_LIBCPP_VERSION) // c++11 |
| #include <unordered_map> |
| #include <unordered_set> |
| using std::unordered_map; |
| using std::unordered_set; |
| |
| #else // Fallback to tr1::unordered |
| #include <tr1/unordered_map> |
| #include <tr1/unordered_set> |
| using std::tr1::unordered_map; |
| using std::tr1::unordered_set; |
| #endif |
| |
| #endif // COMMON_UNORDERED_H_ |
