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function x = gb_scalar (A)
%GB_SCALAR get contents of a scalar
% x = gb_scalar (A). A may be a built-in scalar or a GraphBLAS
% scalar as a struct (not an object). Returns the result x
% as a built-in non-sparse scalar. If the scalar has no entry
% (the built-in sparse(0)), then x is returned as zero.
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
[~, ~, x] = gbextracttuples (A) ;
if (isempty (x))
x = 0 ;
else
x = x (1) ;
end
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