Init with binary digits

Suppose there are binary digits $x_i\in\{0,1\}$. One can set the initial ket vector of a pure quantum register to $\vert x_1x_2\ldots x_n\rangle$ by the command

init $x_1$ $x_2$ $x_3$ ... $x_n$;

For instance, ``init 0 1 0 1;'' set the initial state to $\vert101\rangle$.