[wrap, unwrap] = arg_wrappers(ones(2,3), ones(2,1));
X = wrap([1,4,5;2,7,8], [2;3])';
assert(isequal(X,[1 2 4 7 5 8 2 3]))
'OK'
[a,b] = celldeal(unwrap(X));
assert(isequal(a, [1,4,5;2,7,8]));
'OK'
assert(isequal(b, [2;3]));
'OK'
clear a
% Ensuring no crash if I don't ask for all the arguments (as happens with deal)
a = celldeal(unwrap(X));
assert(isequal(a, [1,4,5;2,7,8]));
'OK'

test_exit