diff options
Diffstat (limited to 'lib/option.mli')
| -rw-r--r-- | lib/option.mli | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/option.mli b/lib/option.mli index 0b50c588b..d390edb63 100644 --- a/lib/option.mli +++ b/lib/option.mli @@ -28,6 +28,9 @@ val is_empty : 'a option -> bool [f] is called. Otherwise it returns [false]. *) val equal : ('a -> 'a -> bool) -> 'a option -> 'a option -> bool +(** Same as [equal], but with comparison. *) +val compare : ('a -> 'a -> int) -> 'a option -> 'a option -> int + (** [get x] returns [y] where [x] is [Some y]. It raises IsNone if [x] equals [None]. *) val get : 'a option -> 'a |