<div dir="ltr"><div>I don't know the history of why you might be banned if you are, so I feel comfortable being the proxy.</div><div><br></div><div>Regardless, I've posted my own opinion on github (<a href="https://github.com/ghc-proposals/ghc-proposals/pull/668">https://github.com/ghc-proposals/ghc-proposals/pull/668</a>) just now and <b>I urge others to do the same</b>.</div><div><br></div><div>Allowing keywords as anything but keywords is a very bad idea. It should not be allowed.</div><div><br></div><div>Ivan<br></div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Tue, 24 Dec 2024 at 19:50, Anthony Clayden <<a href="mailto:anthony.d.clayden@gmail.com">anthony.d.clayden@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>And Merry Christmas to all.</div><div><br></div>I counsel against allowing reserved ids to be anything other than reserved ids. "...
<span style="color:rgb(10,10,10);font-family:Verdana,Tahoma,sans-serif;font-size:13px"> is fraught with peril, unduly complicates the parser, and harms readability.</span> " says a language implementer I asked.<div><br></div><div>But wanting to use field names dictated outside this language's control is a realistic requirement, for which there are several general approaches. The ghc proposal as it stands seems ad-hoc and very specific to one user organisation. Furthermore, this just ain't true:</div><div><br></div><div>> ...
<span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px">SQL schemas. anyone working with those is stuck deciding between special-casing its naming, and consistently naming </span><em style="box-sizing:border-box;color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px">everything</em><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px"> weirdly, ...</span></div><div><font color="#1f2328" face="-apple-system, BlinkMacSystemFont, Segoe UI, Noto Sans, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji"><span style="font-size:14px"><br></span></font></div><div><font color="#1f2328" face="-apple-system, BlinkMacSystemFont, Segoe UI, Noto Sans, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji"><span style="font-size:14px">SQL consistently supports things like embedded spaces, fields starting upper-case [**], embedded dots or other graphics -- by no means just names that clash with reserved ids.</span></font></div><div><font color="#1f2328" face="-apple-system, BlinkMacSystemFont, Segoe UI, Noto Sans, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji"><span style="font-size:14px"><br></span></font></div><div><font color="#1f2328" face="-apple-system, BlinkMacSystemFont, Segoe UI, Noto Sans, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji"><span style="font-size:14px">How does it do that? And this answer seems particularly relevant when these ids are going to feed into `HasField` constraints as a type-level String: put the id between quotes.</span></font></div><div><font color="#1f2328" face="-apple-system, BlinkMacSystemFont, Segoe UI, Noto Sans, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji"><span style="font-size:14px"><br></span></font></div><div><font color="#1f2328" face="-apple-system, BlinkMacSystemFont, Segoe UI, Noto Sans, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji"><span style="font-size:14px">> </span></font> <span style="background-color:rgba(129,139,152,0.12);color:rgb(31,35,40);font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;font-size:11.9px;white-space:break-spaces">orgNotification."type"</span></div><div><font color="#1f2328" face="-apple-system, BlinkMacSystemFont, Segoe UI, Noto Sans, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji"><span style="font-size:14px"><br></span></font></div><div><font color="#1f2328" face="-apple-system, BlinkMacSystemFont, Segoe UI, Noto Sans, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji"><span style="font-size:14px">doesn't look too ugly to my eye. And to spj's repeated point: I could envisage allowing fields in `data` decls and record syntax to be quoted. (Again you couldn't use punning nor field-name as function.)</span></font></div><div><font color="#1f2328" face="-apple-system, BlinkMacSystemFont, Segoe UI, Noto Sans, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji"><span style="font-size:14px"><br></span></font></div><div><font color="#1f2328" face="-apple-system, BlinkMacSystemFont, Segoe UI, Noto Sans, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji"><span style="font-size:14px">The approach is sufficiently general it could be extended to `#"Label naming"`</span></font>.<div><br></div><div>[**] I'm particularly keen on field names starting upper case, because they're injective/part of the structure, like data constructors.</div><div><br></div><div>AntC<br><div><br></div><div>(Why am I posting to the cafe, not github? I seem to be blocked from posting on any topic, either on github or gitlab -- even for pages where I'm the sole author. I'd be grateful if somebody could post the above to the PR.)</div></div></div></div>
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