Mercurial > urweb
view tests/substring.ur @ 1584:c37d8341940a
Shorter, more focused error messages about undetermined unification variables
author | Adam Chlipala <adam@chlipala.net> |
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date | Sat, 29 Oct 2011 17:30:34 -0400 |
parents | 20fe00fd81da |
children |
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fun main () : transaction page = return <xml> {[case String.split "abc{" #"{" of None => "!" | Some (pre, post) => pre ^ post]} </xml>