ditto
auto z = zeros!(float, [0, 2])(2); assert(z.shape == [2, 2]); assert(z.value[0, 0] == 0); assert(z.value[0, 1] == 0); assert(z.value[1, 0] == 0); assert(z.value[1, 1] == 0);
ditto
auto z = zeros!(float, [0, 2], UseGradient.yes)(2); assert(z.shape == [2, 2]); assert(z.value[0, 0] == 0); assert(z.value[0, 1] == 0); assert(z.value[1, 0] == 0); assert(z.value[1, 1] == 0);