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/**
@file      traits.h
@brief     Type traits for (non-)const type inference
@author    Robert van Engelen - engelen@genivia.com
@copyright (c) 2016-2020, Robert van Engelen, Genivia Inc. All rights reserved.
@copyright (c) BSD-3 License - see LICENSE.txt
*/

#ifndef REFLEX_TRAITS_H
#define REFLEX_TRAITS_H

namespace reflex {

/// TypeOp<T>::Type = T, TypeOp<T>::ConstType = const T, TypeOp<T>::NonConstType = non-const T
template<typename T> ///< @tparam <T> type to convert
struct TypeOp {
  typedef T       Type;         ///< TypeOp<T>::Type = T
  typedef const T ConstType;    ///< TypeOp<T>::ConstType = const T
  typedef T       NonConstType; ///< TypeOp<T>::NonConstType = non-const T
};

/// Template specialization of reflex::TypeOp.
template<typename T>
struct TypeOp<const T> {
  typedef const T Type;
  typedef const T ConstType;
  typedef T       NonConstType;
};

} // namespace reflex

#endif