diff options
Diffstat (limited to 'clib/cList.ml')
| -rw-r--r-- | clib/cList.ml | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/clib/cList.ml b/clib/cList.ml index 6b13fac48c..d5520aa2b7 100644 --- a/clib/cList.ml +++ b/clib/cList.ml @@ -23,6 +23,7 @@ sig val for_all_i : (int -> 'a -> bool) -> int -> 'a list -> bool val for_all2eq : ('a -> 'b -> bool) -> 'a list -> 'b list -> bool val prefix_of : 'a eq -> 'a list -> 'a list -> bool + val same_length : 'a list -> 'b list -> bool val interval : int -> int -> int list val make : int -> 'a -> 'a list val addn : int -> 'a -> 'a list -> 'a list @@ -154,6 +155,11 @@ external cast : 'a cell -> 'a list = "%identity" (** {6 Equality, testing} *) +let rec same_length l1 l2 = match l1, l2 with +| [], [] -> true +| _ :: l1, _ :: l2 -> same_length l1 l2 +| ([], _ :: _) | (_ :: _, []) -> false + let rec compare cmp l1 l2 = if l1 == l2 then 0 else match l1,l2 with |