// The MIT License (MIT)
//
// Copyright (c) 11/27/18 nick. <nbatkins@gmail.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.#ifndef CPP_REDIS_OPTIONAL_HPP
#ifndef CPP_REDIS_OPTIONAL_HPP
#define CPP_REDIS_OPTIONAL_HPP

#include <string>
#include <optional>

#include <cpp_redis/misc/logger.hpp>

namespace cpp_redis {
	template <int I, class T>
	using enableIf = typename std::enable_if<I, T>::type;

	template <class T>
	struct optional{
			optional<T>& operator ()(T value){
				m_value = value;
				return *this;
			}

			T m_value;

			template <class U>
			enableIf<std::is_convertible<U, T>::value, T> value_or(U&& v) const{
				__CPP_REDIS_LOG(1, "value_or(U&& v)\n")
				return std::forward<U>(v);
			}

			template <class F>
			auto value_or(F&& action) const -> decltype(action()) {
				return action();
			}
	};
} // namespace std

#endif //CPP_REDIS_OPTIONAL_HPP
