blob: d9e09fb51f9803e240cb7b7bd079edd689459fcd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
fun getOpt (t ::: Type) (o : option t) (v : t) : t =
case o of
None => v
| Some x => x
cookie int : int
cookie float : float
cookie string : string
cookie bool : bool
cookie pair : int * float
fun main () : transaction page =
n <- getCookie int;
n <- return (getOpt n 7);
sn <- source 6;
f <- getCookie float;
f <- return (getOpt f 1.23);
sf <- source 4.56;
s <- getCookie string;
s <- return (getOpt s "Hi");
ss <- source "Bye";
b <- getCookie bool;
b <- return (getOpt b True);
sb <- source False;
p <- getCookie pair;
p <- return (getOpt p (1, 2.3));
sp <- source (4, 5.6);
return <xml><body>
<dyn signal={n <- signal sn; return <xml>{[n]}</xml>}/>
<a onclick={set sn n}>CHANGE</a><br/>
<dyn signal={f <- signal sf; return <xml>{[f]}</xml>}/>
<a onclick={set sf f}>CHANGE</a><br/>
<dyn signal={s <- signal ss; return <xml>{[s]}</xml>}/>
<a onclick={set ss s}>CHANGE</a><br/>
<dyn signal={b <- signal sb; return <xml>{[b]}</xml>}/>
<a onclick={set sb b}>CHANGE</a><br/>
<dyn signal={p <- signal sp; return <xml>{[p.1]}, {[p.2]}</xml>}/>
<a onclick={set sp p}>CHANGE</a><br/>
</body></xml>
|
