diff options
Diffstat (limited to 'clib/cList.mli')
| -rw-r--r-- | clib/cList.mli | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/clib/cList.mli b/clib/cList.mli index 42fae5ed39..ed468cb977 100644 --- a/clib/cList.mli +++ b/clib/cList.mli @@ -155,6 +155,10 @@ sig val index : 'a eq -> 'a -> 'a list -> int (** [index] returns the 1st index of an element in a list (counting from 1). *) + val safe_index : 'a eq -> 'a -> 'a list -> int option + (** [safe_index] returns the 1st index of an element in a list (counting from 1) + and None otherwise. *) + val index0 : 'a eq -> 'a -> 'a list -> int (** [index0] behaves as [index] except that it starts counting at 0. *) |