Function check_distinct

common/json_param.c:210–223

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

 * provided comparator).
 */
static bool check_distinct(struct param *params,
			   int (*compar) (const struct param *a,
					  const struct param *b, void *unused))
{
	struct param *first = params;
	struct param *last = first + tal_count(params);
	first++;
	while (first != last) {
		if (compar(first - 1, first, NULL) == 0)
			return false;
		first++;
	}
	return true;
}

static bool check_unique(struct param *copy,
			 int (*compar) (const struct param *a,