Mercurial > urweb
view tests/datatypeP2.ur @ 2083:9f65e2188d3c
MonoOpt: remove concatenation with empty string
author | Adam Chlipala <adam@chlipala.net> |
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date | Wed, 03 Dec 2014 21:21:37 -0500 |
parents | 71bafe66dbe1 |
children |
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datatype sum a b = Left of a | Right of b val l : sum int string = Left 5 val r : sum int string = Right "Hi" val show = fn x : sum int string => case x of Left _ => "Left _" | Right s => s val page = fn x => <html><body> {cdata (show x)} </body></html> val main : unit -> page = fn () => <html><body> <li><a link={page l}>Left</a></li> <li><a link={page r}>Right</a></li> </body></html>