Concepts.h

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/*
 * Copyright (c) 2026 pongasoft
 *
 * Licensed under the Apache License, Version 2.0 or the MIT license,
 * at your option. You may not use this file except in compliance with
 * one of these licenses. You may obtain copies of the licenses at:
 *
 * https://www.apache.org/licenses/LICENSE-2.0
 * https://opensource.org/licenses/MIT
 *
 * 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
 */
 
#ifndef JAMBA_UTILS_CONCEPTS_H
#define JAMBA_UTILS_CONCEPTS_H
 
#include <concepts>
#include <functional>
 
namespace pongasoft::Utils {

template<typename F, typename T>
concept UnaryFunction = std::invocable<F &, T const &>;

template<typename F, typename T>
concept UnaryModifier = std::invocable<F &, T &>;

template<typename F, typename T>
concept UnaryTransformer =
  std::invocable<F&, T const &> &&
  std::convertible_to<std::invoke_result_t<F &, T const &>, T>;

template<typename T>
concept IntegralOrEnum = std::integral<T> || std::is_enum_v<T>;
 
}
 
 
#endif //JAMBA_UTILS_CONCEPTS_H