Mercurial > urweb
view tests/onerror.ur @ 1505:8c851e5508a7
Tutorial: up to First-Class Polymorphism
author | Adam Chlipala <adam@chlipala.net> |
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date | Sun, 17 Jul 2011 11:00:04 -0400 |
parents | b4480a56cab7 |
children |
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fun main n = case n of 0 => error <xml>Zero is bad!</xml> | _ => return <xml/>