Mercurial > urweb
view tests/onerror.ur @ 1602:e44be6ece475
COALESCE
author | Adam Chlipala <adam@chlipala.net> |
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date | Sat, 19 Nov 2011 10:43:57 -0500 |
parents | b4480a56cab7 |
children |
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fun main n = case n of 0 => error <xml>Zero is bad!</xml> | _ => return <xml/>