<div dir="ltr">I've used them plenty of times, especially in conjunction with <a href="https://hackage.haskell.org/package/transformers-0.3.0.0/docs/Data-Functor-Compose.html#t:Compose">Compose</a>, to add annotations to things I'm traversing.</div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Apr 23, 2017 at 7:08 AM, Jonathon Delgado <span dir="ltr"><<a href="mailto:voldermort@hotmail.com" target="_blank">voldermort@hotmail.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 id="m_-1997881153875883786divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Arial,Helvetica,sans-serif" dir="ltr">
<p>So then the question becomes, why do tuples need Foldable if the functions it defines aren't useful?<br>
</p>
</div>
</div>

<br>______________________________<wbr>_________________<br>
Beginners mailing list<br>
<a href="mailto:Beginners@haskell.org">Beginners@haskell.org</a><br>
<a href="http://mail.haskell.org/cgi-bin/mailman/listinfo/beginners" rel="noreferrer" target="_blank">http://mail.haskell.org/cgi-<wbr>bin/mailman/listinfo/beginners</a><br>
<br></blockquote></div><br></div>