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 #include <sstream> 17 18 19 #include "graph.h" 20 21 namespace Commonlibrary::Concurrent::LocksModule { 22 23 template<class G> operator <<(std::ostream & stream,typename G::VColor c)24std::ostream &operator<<(std::ostream &stream, typename G::VColor c) 25 { 26 switch (c) { 27 case G::VColor::WHITE: 28 stream << "W"; 29 break; 30 case G::VColor::BLACK: 31 stream << "B"; 32 break; 33 case G::VColor::GREY: 34 stream << "G"; 35 break; 36 default: 37 stream << "?"; 38 break; 39 } 40 return stream; 41 } 42 43 } // namespace Commonlibrary::Concurrent::LocksModule