Mercurial > urweb
view demo/upload.ur @ 1551:5175bed443f9
Warn about concurrency issues with message-passing
author | Adam Chlipala <adam@chlipala.net> |
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date | Sun, 28 Aug 2011 14:43:30 -0400 |
parents | 9f2555f06901 |
children |
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fun echo r = if blobSize (fileData r.File) > 100000 then return <xml>Whoa! That one's too big.</xml> else returnBlob (fileData r.File) (blessMime (fileMimeType r.File)) fun main () = return <xml><body> <h1>The Amazing File Echoer!</h1> <form>Upload a file: <upload{#File}/> <submit action={echo}/></form> </body></xml>