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