<div dir="ltr"><div dir="ltr">On Sun, Mar 31, 2024 at 6:51 AM Volker Wysk <<a href="mailto:post@volker-wysk.de">post@volker-wysk.de</a>> wrote:<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Why aren't all the base package versions available? I thought this was one<br>
of the purposes of the Cabal system...<br>
<br>
And wouldn't it be better to remove the upper bound entirely?<br></blockquote><div><br></div><div>`base` is special, since it's tightly linked to the compiler (the compiler hardcodes the addresses of key data types and values, such as `Bool` and specifically `True` so it can compile guards). As such, it is impossible to pick a different version of `base` for use with a given compiler version.</div><div><br></div><div>Removing the upper bound has the opposite problem: if `base` changes enough (say, a wholesale change from `String` to `Text`, not that that seems likely to happen in the near term) you will be claiming that your code is compatible with it.</div></div><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>brandon s allbery kf8nh</div><div><a href="mailto:allbery.b@gmail.com" target="_blank">allbery.b@gmail.com</a></div></div></div></div></div></div>