Mercurial > urweb
annotate demo/upload.ur @ 1742:fca4a6d05ac1
More diagnostic information about some type class resolution failures
| author | Adam Chlipala <adam@chlipala.net> |
|---|---|
| date | Fri, 04 May 2012 10:33:04 -0400 |
| parents | 9f2555f06901 |
| children |
| rev | line source |
|---|---|
| adamc@776 | 1 fun echo r = |
| adamc@776 | 2 if blobSize (fileData r.File) > 100000 then |
| adamc@776 | 3 return <xml>Whoa! That one's too big.</xml> |
| adamc@776 | 4 else |
| adamc@776 | 5 returnBlob (fileData r.File) (blessMime (fileMimeType r.File)) |
| adamc@776 | 6 |
| adamc@776 | 7 fun main () = return <xml><body> |
| adamc@776 | 8 <h1>The Amazing File Echoer!</h1> |
| adamc@776 | 9 |
| adamc@776 | 10 <form>Upload a file: <upload{#File}/> <submit action={echo}/></form> |
| adamc@776 | 11 </body></xml> |