generic/array: shot myself to the foot

lib/generic/array.h

@@ -133,10 +133,9 @@ static inline void array_std_free(void *baton, void *p)
 
 /**
  * Pop value from the end of the array.
- * @return 0 on success, <0 on failure
  */
 #define array_pop(array) \
-	array_del((array), (array).len - 1)
+ 	(array).len -= 1
 
 /**
  * Remove value at given index.

tests/test_array.c

@@ -45,8 +45,7 @@ static void test_array(void **state)
 	/* Delete elements. */
 	array_del(arr, 0);
 	for (size_t i = arr.len; --i;) {
-		ret = array_pop(arr);
-		assert_true(ret == 0);
+		array_pop(arr);
 	}
 
 	/* Overfill. */