;+
; NAME:
;	SMEI_OPERATOR::GET_ARGUMENT
;
;
; PURPOSE:
;	To return an argument of the operator
;
;
; CATEGORY:
;	SMEI_OPERATOR
;
;
; CALLING SEQUENCE:
;	argument = sop -> get_argument(index)
;
;
; INPUTS:
;	index	int	Which argument is required.
;
; OUTPUTS:
;	argument	objref	The operator's argument
;
;
; MODIFICATION HISTORY:
;	Original: 22/10/03; SJT
;-

function smei_operator::get_argument, index

return, (*(self.arglist))[index]

end