Ur/Web: demo/cookie.ur annotate

map-only syntax and semantics

author	Adam Chlipala <adamc@hcoop.net>
date	Sat, 21 Feb 2009 11:23:24 -0500
parents	ddd363e856ff
children	93315ac00394

rev	line source
adamc@464	1 cookie c : {A : string, B : float, C : int}
adamc@464	2
adamc@464	3 fun set r =
adamc@464	4 setCookie c {A = r.A, B = readError r.B, C = readError r.C};
adamc@464	5 return <xml>Cookie set.</xml>
adamc@464	6
adamc@464	7 fun main () =
adamc@464	8 ro <- getCookie c;
adamc@465	9 return <xml><body>
adamc@465	10 {case ro of
adamc@465	11 None => <xml>No cookie set.</xml>
adamc@465	12 \| Some v => <xml>Cookie: A = {[v.A]}, B = {[v.B]}, C = {[v.C]}</xml>}
adamc@465	13 <br/><br/>
adamc@464	14
adamc@465	15 <form>
adamc@465	16 A: <textbox{#A}/><br/>
adamc@465	17 B: <textbox{#B}/><br/>
adamc@465	18 C: <textbox{#C}/><br/>
adamc@465	19 <submit action={set}/>
adamc@465	20 </form>
adamc@465	21 </body></xml>

Mercurial > urweb