Mercurial > urweb
annotate tests/treeDyn.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 | aa2398e58306 |
children |
rev | line source |
---|---|
adam@1457 | 1 table t : {Id : int, Parent : option int} |
adam@1457 | 2 |
adam@1457 | 3 fun recurse (root : option int) = |
adam@1457 | 4 queryX' (SELECT * FROM t WHERE {eqNullable' (SQL t.Parent) root}) |
adam@1457 | 5 (fn r => |
adam@1457 | 6 children <- recurse (Some r.T.Id); |
adam@1457 | 7 (*s <- source False;*) |
adam@1457 | 8 return <xml> |
adam@1457 | 9 <dyn signal={(*v <- signal s; |
adam@1457 | 10 if v then*) |
adam@1457 | 11 return <xml><b>HI</b>{children}<b>BYE</b></xml> |
adam@1457 | 12 (*else |
adam@1457 | 13 return <xml/>*)}/> |
adam@1457 | 14 </xml>) |
adam@1457 | 15 |
adam@1457 | 16 fun main () = |
adam@1457 | 17 x <- recurse None; |
adam@1457 | 18 return <xml><body>{x}</body></xml> |