<div dir="ltr">in newer versions of ghc, client code of a module that uses constraint kinds gets constraint kinds enabled.<div><br></div><div>this is to make it pleasant to use constraint kinds in libraries.</div><div><br></div><div>this is deliberate feature :) </div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, May 4, 2017 at 6:46 PM, Brandon Allbery <span dir="ltr"><<a href="mailto:allbery.b@gmail.com" target="_blank">allbery.b@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><span class="">On Thu, May 4, 2017 at 6:42 PM, Wolfgang Jeltsch <span dir="ltr"><<a href="mailto:g9ks157k@acme.softbase.org" target="_blank">g9ks157k@acme.softbase.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">In my previous e-mail, I showed some code that uses the Constraint kind.<br>
I forgot to enable the ConstraintKinds extension though, but GHC 8.0.1<br>
did not complain. Is this a bug?<br></blockquote><div><br></div></span><div>I think it's a known side effect of * being conflated with Constraint, a problem that is actively being worked on ( <a href="https://ghc.haskell.org/trac/ghc/ticket/11715" target="_blank">https://ghc.haskell.org/trac/<wbr>ghc/ticket/11715</a> ).</div></div><span class="HOEnZb"><font color="#888888"><div><br></div>-- <br><div class="m_5129452901013618119gmail_signature"><div dir="ltr"><div>brandon s allbery kf8nh                               sine nomine associates</div><div><a href="mailto:allbery.b@gmail.com" target="_blank">allbery.b@gmail.com</a>                                  <a href="mailto:ballbery@sinenomine.net" target="_blank">ballbery@sinenomine.net</a></div><div>unix, openafs, kerberos, infrastructure, xmonad        <a href="http://sinenomine.net" target="_blank">http://sinenomine.net</a></div></div></div>
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