diff options
| author | herbelin | 2002-10-14 08:47:51 +0000 |
|---|---|---|
| committer | herbelin | 2002-10-14 08:47:51 +0000 |
| commit | 18947260e88d96a81429d82642d38f3ee962bb56 (patch) | |
| tree | 652c2d965d24f2f36b953a36a21e8e6f48e61e74 /lib | |
| parent | f14c78df2be140c1c4c731d4d6010f114001b7cc (diff) | |
Ajout optino_iter
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@3136 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/util.ml | 4 | ||||
| -rw-r--r-- | lib/util.mli | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/lib/util.ml b/lib/util.ml index 98defb6fd5..689f12558d 100644 --- a/lib/util.ml +++ b/lib/util.ml @@ -563,6 +563,10 @@ let option_compare f a b = match (a,b) with | Some a', Some b' -> f a' b' | _ -> failwith "option_compare" +let option_iter f = function + | None -> () + | Some x -> f x + let option_smartmap f a = match a with | None -> a | Some x -> let x' = f x in if x'==x then a else Some x' diff --git a/lib/util.mli b/lib/util.mli index 80b841b2b1..068ea256f5 100644 --- a/lib/util.mli +++ b/lib/util.mli @@ -173,6 +173,7 @@ val interval : int -> int -> int list val in_some : 'a -> 'a option val out_some : 'a option -> 'a val option_app : ('a -> 'b) -> 'a option -> 'b option +val option_iter : ('a -> unit) -> 'a option -> unit val option_compare : ('a -> 'b -> bool) -> 'a option -> 'b option -> bool val option_smartmap : ('a -> 'a) -> 'a option -> 'a option |