<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>On May 30, 2008, at 9:09 AM, Robin Green wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: -webkit-monospace; font-size: 10px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; ">eventMain :: (Event, SystemState AppState) -> (Command, SystemState AppState)</span></blockquote></div><br><div>The first thing I would do with this type is probably wrap it up in a State monad so I don't have to keep track of the SystemState AppState stuff myself, which completely defeats the purpose. I don't think this really makes anything simpler at all.</div><div><br></div><div>Also see FRP for a perhaps more practical way of approaching IO as event streams.</div><div><br></div><div>- Jake</div></body></html>