Mercurial > urweb
view tests/dynClass.ur @ 2184:1ecef02f67c5
More Elaborate work to avoid instantiating unification variables with out-of-scope regular variables
author | Adam Chlipala <adam@chlipala.net> |
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date | Sat, 24 Oct 2015 17:23:07 -0400 |
parents | 2b2d07946e65 |
children |
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style date style topic fun main () : transaction page = toggle <- source False; return <xml> <head> <link rel="stylesheet" type="text/css" href="http://adam.chlipala.net/style.css"/> </head> <body> <button dynClass={b <- signal toggle; return (if b then date else topic)} dynStyle={b <- signal toggle; return (if b then STYLE "width: 500px" else STYLE "width: 200px")} onclick={fn _ => b <- get toggle; set toggle (not b)}/> <button dynStyle={b <- signal toggle; return (if b then STYLE "width: 200px" else STYLE "width: 100px")}/> <button dynClass={b <- signal toggle; return (if b then topic else date)}/> </body> </xml>