function [ s ] = set( s, varargin )

  propArgs = varargin;
  while (length(propArgs) >= 2)
    propName  = propArgs{1};
    propValue = propArgs{2};
    propArgs  = propArgs(3:end);
    switch propName
      case 'gurk'
        s.gurk = propValue;
      otherwise
        s.Spork = set(s.Spork, propName, propValue);
    end
  end

end