Mercurial > urweb
comparison tests/datatypeP2.ur @ 244:71bafe66dbe1
Laconic -> Ur
author | Adam Chlipala <adamc@hcoop.net> |
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date | Sun, 31 Aug 2008 08:32:18 -0400 |
parents | tests/datatypeP2.lac@df5fd8f6913a |
children |
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243:2b9dfaffb008 | 244:71bafe66dbe1 |
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1 datatype sum a b = Left of a | Right of b | |
2 | |
3 val l : sum int string = Left 5 | |
4 val r : sum int string = Right "Hi" | |
5 | |
6 val show = fn x : sum int string => case x of Left _ => "Left _" | Right s => s | |
7 | |
8 val page = fn x => <html><body> | |
9 {cdata (show x)} | |
10 </body></html> | |
11 | |
12 val main : unit -> page = fn () => <html><body> | |
13 <li><a link={page l}>Left</a></li> | |
14 <li><a link={page r}>Right</a></li> | |
15 </body></html> |