Mercurial > urweb
view tests/treeDyn.ur @ 1663:0577be31a435
First part of changes to avoid depending on C function call argument order of evaluation (omitting normal Ur function calls, so far)
author | Adam Chlipala <adam@chlipala.net> |
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date | Sat, 07 Jan 2012 15:56:22 -0500 |
parents | aa2398e58306 |
children |
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table t : {Id : int, Parent : option int} fun recurse (root : option int) = queryX' (SELECT * FROM t WHERE {eqNullable' (SQL t.Parent) root}) (fn r => children <- recurse (Some r.T.Id); (*s <- source False;*) return <xml> <dyn signal={(*v <- signal s; if v then*) return <xml><b>HI</b>{children}<b>BYE</b></xml> (*else return <xml/>*)}/> </xml>) fun main () = x <- recurse None; return <xml><body>{x}</body></xml>