Hello,
I'm getting the error
test.ur:13:16: (to 13:27) Anonymous function remains at code
generation
Function: (fn _ : {} => None)
For this code (sorry it's big!): <<EOF
con tC = [ Id = int, Next = option int ]
type tT = $tC
table theTable : tC
fun getRowById (id : int) : transaction (option tT) =
rOpt <- oneOrNoRows (SELECT *
FROM theTable
WHERE theTable.Id={[id]});
case rOpt of
None => return None
| Some row => return (Some row.TheTable)
fun getRowByOptionId (idOpt : option int) : transaction (option tT) =
case idOpt of
None => return None (* Line 13; Error message points here *)
| Some nextId => (getRowById nextId)
fun deleteRow (id : int) : transaction unit =
thisRowOpt <- getRowById id;
case thisRowOpt of
None => return ()
| Some thisRow => (a <- (getRowByOptionId thisRow.Next);
(* snip deleting logic *)
return ())
fun deleteRowHandler r =
deleteRow 0;
return <xml/>
fun main () =
return
<xml>
<head><title>Example</title></head>
<body>
<form><submit action={deleteRowHandler}/></form>
</body>
</xml>
EOF
This file contains a small portion of the code relating to row deleting,
with as much taken out as I could without the error mysteriously
disappearing. I have absolutely no idea what's causing this error; it
doesn't seem (to me) that there's anything unusual about this code.
--
Istvan Chung
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