AccessorConcepts.h

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// SPDX-FileCopyrightText: Deutsches Elektronen-Synchrotron DESY, MSK, ChimeraTK Project <chimeratk-support@desy.de>
// SPDX-License-Identifier: LGPL-3.0-or-later
#pragma once
 
#include <ChimeraTK/SupportedUserTypes.h>
 
namespace ChimeraTK {
 
  template<typename UserType>
  class ScalarAccessor;
 
  template<typename UserType>
  class ScalarPushInput;
 
  template<typename UserType>
  class ScalarPushInputWB;
 
  template<typename UserType>
  class ArrayAccessor;
 
  template<typename UserType>
  class ArrayPushInput;
 
  template<typename UserType>
  class ArrayPushInputWB;
 
  template<typename T>
  concept push_input = requires {
    typename T::value_type;
    requires std::is_base_of<ScalarPushInput<typename T::value_type>, T>::value ||
        std::is_base_of<ScalarPushInputWB<typename T::value_type>, T>::value ||
        std::is_base_of<ArrayPushInput<typename T::value_type>, T>::value ||
        std::is_base_of<ArrayPushInputWB<typename T::value_type>, T>::value;
    requires user_type<typename T::value_type>;
  };
 
  template<typename T>
  concept scalar_accessor = std::is_base_of<ScalarAccessor<typename T::value_type>, T>::value;
 
  template<typename T>
  concept array_accessor = std::is_base_of<ArrayAccessor<typename T::value_type>, T>::value;
 
} // namespace ChimeraTK