Comments behavior on negative gaps #2632

Author: JJ

doc/Type/Any.pod6

@@ -1465,10 +1465,21 @@ In this case, the first batch (ruled by an integer) has 3 elements; the second
 one has 2 elements (key of the pair), but skips one (the number 8); the third
 one has size 2 (because partials are allowed), and an overlap of 2 also.
 
+The overlap cannot be larger than the sublist size; in that case, it will
+throw an C<Exception>:
+
+=for code :skip-list<Throws>
+say (3..11).rotor(3, 2 => 1, 3 => -4, :partial);
+# OUTPUT: «(exit code 1) Rotorizing gap is out of range. Is: -4, should be in
+# -3..^Inf; ␤Ensure a negative gap is not larger than the length of the
+# sublist␤ ␤␤»
+
 Non-C<Int> values of C<$batch> will be coerced to Int:
 
     say (3..9).rotor(3+⅓); # OUTPUT: «((3 4 5) (6 7 8))␤»
 
+
+
 Please see also L<C<list.rotor>|/type/List#method_rotor> for examples applied to
 lists.