Function comp_req_order

common/json_param.c:198–204

This comparator is a bit different, but works well. * Return 0 if @a is optional and @b is required. Otherwise return 1. */

 * Return 0 if @a is optional and @b is required. Otherwise return 1.
 */
static int comp_req_order(const struct param *a, const struct param *b,
			  void *unused)
{
	if (!is_required(a->style) && is_required(b->style))
		return 0;
	return 1;
}

/*
 * Make sure 2 sequential items in @params are not equal (based on