Metaprogramming.h

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/*
 * Copyright (c) 2018 pongasoft
 *
 * 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.
 *
 * @author Yan Pujante
 */
#pragma once

#include <type_traits>

namespace pongasoft {
namespace Utils {

template<typename U>
class Cast
{
public:
  template<typename T>
  static inline U dynamic(T *iPtr, typename std::enable_if<!std::is_polymorphic<T>::value>::type * = nullptr)
  {
    return nullptr;
  }

  template<typename T>
  static inline U dynamic(T *iPtr, typename std::enable_if<std::is_polymorphic<T>::value>::type * = nullptr)
  {
    return dynamic_cast<U>(iPtr);
  }
};

}
}