1 /** 2 * Copyright (c) 2021-2022 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 #ifndef PANDA_LIBPANDABASE_UTILS_RANGE_H 17 #define PANDA_LIBPANDABASE_UTILS_RANGE_H 18 namespace panda { 19 20 template <class It> 21 class Range { 22 public: Range(It begin,It end)23 Range(It begin, It end) : begin_(begin), end_(end) {} 24 25 // NOLINTNEXTLINE(readability-identifier-naming) begin()26 It begin() const 27 { 28 return begin_; 29 } 30 31 // NOLINTNEXTLINE(readability-identifier-naming) end()32 It end() const 33 { 34 return end_; 35 } 36 37 // NOLINTNEXTLINE(readability-identifier-naming) size()38 size_t size() const 39 { 40 return std::distance(begin_, end_); 41 } 42 43 // NOLINTNEXTLINE(readability-identifier-naming) empty()44 bool empty() const 45 { 46 return size() == 0; 47 } 48 49 private: 50 It begin_; 51 It end_; 52 }; 53 54 } // namespace panda 55 56 #endif // PANDA_LIBPANDABASE_UTILS_RANGE_H 57