<html><head></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div>Am Samstag, dem 24.08.2024 um 13:55 +0100 schrieb Sean Charles (emacstheviking):</div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div>Last I looked, I thought that attaching things to IO was now out of fashion and that mutable state was the future.</div></blockquote><div><br></div><div>The "promise_" prefix of pragma promise_pure isn't there for nothing. If you can't keep the promise, you shouldn't use it. :-)</div><div><br></div><div>I understand things enough to say that it will be okay when you use attach_io_state. </div><div><br></div><div>Cheers,</div><div>Volker</div><div><br></div><div><br></div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div><br></div><div>I will look into what you said.</div><div><br></div><div>PS. I am an amateur.</div><div><br id="lineBreakAtBeginningOfMessage"><div><br><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div>On 24 Aug 2024, at 13:27, Volker Wysk <post@volker-wysk.de> wrote:</div><div><br class="Apple-interchange-newline"></div><div><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;">attach_to_io_state</span></div></blockquote></div><br></div></blockquote><div><br></div><div><span></span></div></body></html>