function varargout = identity(varargin)

% function varargout = identity(varargin)
%
% <varargin> is anything
%
% return <varargin>.
%
% example:
% isequal(identity(1),1)
% [a,b] = identity(1,2);
% isequal(a,1) & isequal(b,2)

varargout = varargin;