| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| #pragma once |
| |
| #include <map> |
| #include <sstream> |
| #include <string> |
| |
| template <typename Key, typename Value> |
| inline std::ostream& operator<<(std::ostream& os, const std::map<Key, Value>& m) { |
| os << "{"; |
| bool first = true; |
| for (const auto& kv : m) { |
| if (!first) { |
| os << ", "; |
| } else { |
| first = false; |
| } |
| os << kv.first << " => " << kv.second; |
| } |
| os << "}"; |
| return os; |
| } |
