<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Tue, Apr 21, 2015 at 9:26 AM, Artyom <span dir="ltr"><<a href="mailto:yom@artyom.me" target="_blank">yom@artyom.me</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
  

    
  
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      <pre style="font-size:0.85em;font-family:Consolas,Inconsolata,Courier,monospace;font-size:1em;line-height:1.2em;margin:1.2em 0px"><code style="font-size:0.85em;font-family:Consolas,Inconsolata,Courier,monospace;margin:0px 0.15em;padding:0px 0.3em;white-space:pre-wrap;border:1px solid rgb(234,234,234);background-color:rgb(248,248,248);border-radius:3px;display:inline;white-space:pre-wrap;overflow:auto;border-radius:3px;border:1px solid rgb(204,204,204);padding:0.5em 0.7em;display:block!important;display:block;padding:0.5em;color:rgb(51,51,51);background:none repeat scroll 0% 0% rgb(248,248,255)">$ Temp/jhc-0.8.2/jhc Temp/jhc1.hs 

jhc Temp/jhc1.hs
jhc 0.8.2 (mydniquipepo-32)
Finding Dependencies...
Using Ho Cache: '/home/yom/.jhc/cache'

Temp/jhc1.hs:1   - Error: Invalid Class. multiparameter classes not yet supported:
(Num,[HsTyTuple [HsTyVar {hsTypeName = a},HsTyVar {hsTypeName = b}]])
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      <p style="margin:1.2em 0px!important">Am I misunderstanding
        something, or is it a legitimate bug?</p>
      <div title="MDH:VGhpcyAoZW1wdHkpIGluc3RhbmNlIGRlY2xhcmF0aW9uPGJyPjxicj5+fn4gaGFza2VsbDxicj5pbnN0YW5jZSBOdW0gKGEsYikgPSZndDsgTnVtIChhLGIsSW50KSB3aGVyZTxicj5+fn48YnI+PGJy
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        bGVnaXRpbWF0ZSBidWc/PGJyPg==" style="min-height:0;width:0;max-height:0;max-width:0;overflow:hidden;font-size:0em;padding:0;margin:0">​</div>
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</blockquote></div><div class="gmail_extra"><br></div><div class="gmail_extra">Looks multiparameter to me:</div></div><div class="gmail_extra"><br></div><div class="gmail_extra">    instance ... => Num (T a b Int) where</div><div class="gmail_extra"><br></div><div class="gmail_extra">with T ~ (,,). Which is what the second line of the error message is telling you, more or less.<br clear="all"><div><br></div>-- <br><div class="gmail_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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