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| author | Jacques Garrigue <garrigue at math.nagoya-u.ac.jp> | 1999-11-16 10:22:42 +0000 |
|---|---|---|
| committer | Jacques Garrigue <garrigue at math.nagoya-u.ac.jp> | 1999-11-16 10:22:42 +0000 |
| commit | 9696d300803ab6fcb5ab2884cd65fe05696e7025 (patch) | |
| tree | 82e406c747a89199f5d8a74b161da42aa00fdeb9 /otherlibs/labltk/support/may.ml | |
| download | ocaml-labltk.tar.gz | |
import labltklabltk
git-svn-id: http://caml.inria.fr/svn/ocaml/branches/labltk@2531 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Diffstat (limited to 'otherlibs/labltk/support/may.ml')
| -rw-r--r-- | otherlibs/labltk/support/may.ml | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/otherlibs/labltk/support/may.ml b/otherlibs/labltk/support/may.ml new file mode 100644 index 0000000000..202b561d9e --- /dev/null +++ b/otherlibs/labltk/support/may.ml @@ -0,0 +1,10 @@ + +(* Very easy hack for option type *) +let may f = function + Some x -> Some (f x) +| None -> None + +let maycons f x l = + match x with + Some x -> f x :: l + | None -> l |