Mercurial > urweb
view tests/goodbye.ur @ 1893:9a1097954188
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 | c05e2e4bdde7 |
children |
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table boo : { Client : client, Channel : channel unit } fun doIt () = me <- self; ch <- channel; dml (INSERT INTO boo (Client, Channel) VALUES ({[me]}, {[ch]})); return <xml><body onload={let fun loop () = v <- recv ch; alert "Someone left"; loop () in loop () end}/></xml> task clientLeaves = fn cl => debug "Client left"; dml (DELETE FROM boo WHERE Client = {[cl]}); queryI (SELECT (boo.Channel) FROM boo) (fn r => send r.1 ()); debug "Done processing" fun main () = return <xml><body> <form> <submit action={doIt}/> </form> </body></xml>