Woocommerce redirect to checkout after 'add to cart'

/**
 * Woocommerce redirect to checkout after 'add to cart'
 */
add_filter( 'woocommerce_add_to_cart_redirect', 'barbareshet_skip_cart_redirect_checkout' );

function barbareshet_skip_cart_redirect_checkout( $url ) {
    return wc_get_checkout_url();
}