Import package functionality for Octave

import.m

function varargout = import(varargin)
  % Import elements from a package
  %

  % Cache of aliase
  persistent imported;

  % Make sure cell array
  if ~iscell(imported)
    imported = cell(0, 1);
  end

  if nargin==0
    % Return cache
    varargout{1} = imported;
  else
    % Add aliases to cache
    for i=1:nargin
      imported{end+1} = varargin{i};
    end
  end
end