Mercurial > urweb
comparison lib/ur/option.ur @ 1208:b5a4c5407ae0
Checking known() correctly, according to a pair of examples
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Tue, 06 Apr 2010 10:39:15 -0400 |
| parents | 757dbac0454d |
| children | a99b743a3087 |
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| 1207:ae3036773768 | 1208:b5a4c5407ae0 |
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