1 /* 2 * Copyright 2014 Google Inc. All rights reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef FRUIT_HASH_CODES_H 18 #define FRUIT_HASH_CODES_H 19 20 #include <tuple> 21 22 namespace fruit { 23 namespace impl { 24 25 template <typename... Args> 26 std::size_t hashTuple(const std::tuple<Args...>& x); 27 28 std::size_t combineHashes(std::size_t h1, std::size_t h2); 29 30 } // namespace impl 31 } // namespace fruit 32 33 #include <fruit/impl/util/hash_codes.defn.h> 34 35 #endif // FRUIT_HASH_CODES_H 36