1 /* 2 * Copyright (c) 2024 Huawei Device Co., Ltd. 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 16 17 #ifndef META_BASE_ALGORITHMS_H 18 #define META_BASE_ALGORITHMS_H 19 20 #include <stdint.h> 21 22 #include <base/containers/type_traits.h> 23 #include <base/containers/vector.h> 24 25 #include <meta/base/namespace.h> 26 27 META_BEGIN_NAMESPACE() 28 29 constexpr size_t NPOS = -1; 30 31 template<typename Type> 32 size_t FindFirstOf(const BASE_NS::vector<Type>& vec, const Type& value, size_t pos = 0) 33 { 34 for (; pos < vec.size(); ++pos) { 35 if (vec[pos] == value) { 36 return pos; 37 } 38 } 39 return NPOS; 40 } 41 42 META_END_NAMESPACE() 43 44 #endif 45