text: /*
   * Copyright 2019 curoky(cccuroky@gmail.com).
   *
   * Licensed 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.
   */
  
  #include <memory>  // for allocator, make_shared, shared_ptr
  #include <string>  // for string
  
  #include "action.h"  // for Action
  
  class EchoAction : public Action {
   public:
    EchoAction() = default;
    ~EchoAction() = default;
  
    std::string act() override { return "echo"; }
  };
  
  extern "C" {
  std::shared_ptr<Action> create_action() { return std::make_shared<EchoAction>(); }
  }
  