text: /*!
   * @file
   * Defines `react::implements`.
   */
  
  #ifndef REACT_IMPLEMENTS_HPP
  #define REACT_IMPLEMENTS_HPP
  
  namespace react {
      //! Sets the derived computation's feature to `Feature`.
      template <typename Feature>
      struct implements {
          using feature = Feature;
      };
  } // end namespace react
  
  #endif // !REACT_IMPLEMENTS_HPP
  