diff options
| author |  Adam Chlipala <adamc@hcoop.net> | 2009-12-12 11:02:20 -0500 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2009-12-12 11:02:20 -0500 |
| commit | 84e471e64566698a5489810836b6ec80824d3e46 (patch) | |
| tree | ab722581146ac2de00f49743a319f6b3ccf35a6e /lib/ur/option.ur | |
| parent | 5b89513c103be2bde3048d8310469e4a0a7d5d1d (diff) | |
Checked-ness of radio options; Option.get
Diffstat (limited to 'lib/ur/option.ur')
| -rw-r--r-- | lib/ur/option.ur | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/ur/option.ur b/lib/ur/option.ur index 1ba33d8e..0aa07a2d 100644 --- a/lib/ur/option.ur +++ b/lib/ur/option.ur @@ -38,3 +38,8 @@ fun bind [a] [b] f x = case x of None => None | Some y => f y + +fun get [a] (x : a) (o : option a) = + case o of + None => x + | Some v => v |