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functor Make(M : sig
con cols :: {Type}
constraint [Id] ~ cols
val tab : sql_table ([Id = int] ++ cols)
val title : string
val cols : $(mapTT (fn t => {Show : t -> xbody}) cols)
end) = struct
open constraints M
val tab = M.tab
fun list () =
rows <- query (SELECT * FROM tab AS T)
(fn fs acc => return <body>
{acc} <tr> <td>{txt _ fs.T.Id}</td> </tr>
</body>) <body></body>;
return <html><head>
<title>List</title>
</head><body>
<h1>List</h1>
<table border={1}>
<tr> <th>ID</th> </tr>
{rows}
</table>
</body></html>
fun main () : transaction page = return <html><head>
<title>{cdata M.title}</title>
</head><body>
<h1>{cdata M.title}</h1>
<li> <a link={list ()}>List all rows</a></li>
</body></html>
end
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