<div dir="ltr">So I did. That's kind of embarrassing -- I could swear I stared at that error message for ages trying to work out if there were any typos like that and never saw it. Thanks for pointing it out.</div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Apr 25, 2015 at 12:14 AM, Francesco Ariis <span dir="ltr"><<a href="mailto:fa-ml@ariis.it" target="_blank">fa-ml@ariis.it</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On Fri, Apr 24, 2015 at 11:49:15PM +0700, Matthew Moppett wrote:<br>
>     Perhaps you meant one of these:<br>
>       `C.isEmptyMVar' (imported from Control.Concurrent),<br>
<br>
</span>Haskell is case sensitive, isEmptyMVar is different from isEmptyMvar<br>
(lowercase v)<br>
<div class="HOEnZb"><div class="h5">_______________________________________________<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" target="_blank">http://mail.haskell.org/cgi-bin/mailman/listinfo/beginners</a><br>
</div></div></blockquote></div><br></div>