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view demo/url.ur @ 1893:9a1097954188

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compileC: Link libraries in the right order This is needed, at least on recent Ubuntu, to fix this linker error when compiling any Ur/Web application: ld: /tmp/webapp.o: undefined reference to symbol 'uw_write' Signed-off-by: Anders Kaseorg <andersk@mit.edu> --- src/compiler.sml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
author Anders Kaseorg <andersk@mit.edu>
date Thu, 21 Nov 2013 14:32:11 -0500
parents 412ccd97ab71
children
line wrap: on
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fun yourChoice r = return <xml><body>
  {case checkUrl r.Url of
       None => <xml>You aren't allowed to link to there.</xml>
     | Some url => <xml><a href={url}>Enjoy!</a></xml>}
</body></xml>

fun main () = return <xml><body>
  <a href="http://en.wikipedia.org/wiki/Type_inference">Learn something</a><br/>
  <br/>
  <form>
    URL of your choice: <textbox{#Url}/> <submit action={yourChoice}/>
  </form>
</body></xml>