You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: createCopy.m
    path of file: ./repos/mpsim/lib/external/inputParser2/@inputParser1
    
    the code of the file until where you have to start completion: ## Copyright (C) 2011 CarnÃ« Draug <ca
    
function outPar = createCopy (inPar)

  if ( nargin != 1 )
    print_usage;
  elseif ( !isa (inPar, 'inputParser1') )
    error ("object must be of the inputParser class but '%s' was used", class (inPar) );
  end