Well, turns out there's no way to one-line this, so I wrote a function.
function varargout = deal_array(arr)
s = numel(arr);
n = nargout;
if n > s
error('Insufficient number of elements in array!');
elseif n == 0
return;
end
for i = 1:n
varargout(i) = {arr(i)}; %#ok<AGROW>
end
end