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| author |  herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2002-11-24 22:22:08 +0000 |
|---|---|---|
| committer | herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2002-11-24 22:22:08 +0000 |
| commit | 38c3baf926ce1248be7aca5288810e8c000bb55c (patch) | |
| tree | af42e63667f44fae65d48d568233cb4357be4653 /lib/util.ml | |
| parent | fad76e59fbaa7371252753a9bc55650aacf6c43c (diff) | |
Ajout option_cons
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@3265 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'lib/util.ml')
| -rw-r--r-- | lib/util.ml | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/util.ml b/lib/util.ml index 885278da7..441cf3744 100644 --- a/lib/util.ml +++ b/lib/util.ml @@ -559,6 +559,10 @@ let option_app f = function | None -> None | Some x -> Some (f x) +let option_cons a l = match a with + | Some x -> x::l + | None -> l + let option_fold_left2 f e a b = match (a,b) with | Some x, Some y -> f e x y | _ -> e |