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## Copyright (C) 2008-2013 David Bateman
##
## This file is part of Octave.
##
## Octave is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 3 of the License, or (at
## your option) any later version.
##
## Octave is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Octave; see the file COPYING. If not, see
## <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {Function File} {} display (@var{a})
## Display the contents of an object. If @var{a} is an object of the
## class @qcode{"myclass"}, then @code{display} is called in a case like
##
## @example
## myclass (@dots{})
## @end example
##
## @noindent
## where Octave is required to display the contents of a variable of the
## type @qcode{"myclass"}.
##
## @seealso{class, subsref, subsasgn}
## @end deftypefn
function idx = display (a)
if (nargin != 1)
print_usage ();
endif
## Only reason we got here is that there was no overloaded display()
## function for object a. This may mean it is a built-in.
str = disp (a);
if (isempty (strfind (str, "<class ")))
disp (str);
else
error ('display: not defined for class "%s"', class (a));
endif
endfunction
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