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## Copyright (C) 2018 John Donoghue <john.donoghue@ieee.org>
##
## This program 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.
##
## This program 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.
## -*- texinfo -*-
## @deftypefn {} {@var{count} =} getResourceCount (@var{ar}, @var{resource})
## Get the count of uses of a given resource.
##
## @subsubheading Inputs
## @var{ar} - connected arduino object
##
## @var{resource} - name of resource to get count for.
##
## @subsubheading Outputs
## @var{count} = count of uses registered to resource.
##
## @seealso{incrementResourceCount. decrementResourceCount}
## @end deftypefn
function retval = getResourceCount (ar, resource)
if nargin != 2
print_usage ();
endif
if !ischar(resource)
error ("getResourceCount: expects resource name");
endif
resinfo = ar.get_resource(resource);
retval = resinfo.count;
endfunction
%!test
%! ar = arduino();
%! assert(!isempty(ar));
%! assert(getResourceCount(ar,"notusedname"), 0);
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