Mercurial > urweb
view demo/upload.ur @ 830:d07980bf1444
Defer pattern-matching exhaustiveness checks and normalize pattern types more thoroughly
author | Adam Chlipala <adamc@hcoop.net> |
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date | Sat, 30 May 2009 14:44:29 -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>