<div dir="ltr"><div>Indeed, with newtype it works like a charm. Thanks!<br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Dec 6, 2015 at 8:26 PM, Marcin Mrotek <span dir="ltr"><<a href="mailto:marcin.jan.mrotek@gmail.com" target="_blank">marcin.jan.mrotek@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">Hello,</div><div class="gmail_extra"><br></div><div class="gmail_extra">This is not an issue with MultiParamTypeClasses. It's just that type synonyms always have to be used fully applied. You can use a newtype instead:</div><div class="gmail_extra"><br></div><div class="gmail_extra"><span style="font-size:12.8px">newtype AdjList a = AdjList [(a,[a])]</span><br></div><span class=""><div class="gmail_extra"><span style="font-size:12.8px"><br></span></div><div class="gmail_extra"><span style="font-size:12.8px">instance Graph AdjList Int where</span><span style="font-size:12.8px"><br></span></div></span><div class="gmail_extra"><span style="font-size:12.8px">  (...)</span></div><div class="gmail_extra"><span style="font-size:12.8px"><br></span></div><div class="gmail_extra"><span style="font-size:12.8px">Best regards,</span></div><div class="gmail_extra"><span style="font-size:12.8px">Marcin Mrotek</span></div><div class="gmail_extra"><br></div></div>
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