Mercurial > urweb
view demo/buffer.ur @ 736:796e42c93c48
Cookie signatures for RPCs
author | Adam Chlipala <adamc@hcoop.net> |
---|---|
date | Thu, 23 Apr 2009 16:13:02 -0400 |
parents | 755a71c99be5 |
children |
line wrap: on
line source
datatype lines = End | Line of string * source lines type t = { Head : source lines, Tail : source (source lines) } val create = head <- source End; tail <- source head; return {Head = head, Tail = tail} fun renderL lines = case lines of End => <xml/> | Line (line, linesS) => <xml>{[line]}<br/><dyn signal={renderS linesS}/></xml> and renderS linesS = lines <- signal linesS; return (renderL lines) fun render t = renderS t.Head fun write t s = oldTail <- get t.Tail; newTail <- source End; set oldTail (Line (s, newTail)); set t.Tail newTail