Function check_distinct

common/json_param.c:221–232

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

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

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