<div dir="ltr">You forgot to capitalize the 'V' in 'isEmptyMVar' :)<br></div><br><div class="gmail_quote">On Fri, 24 Apr 2015 at 09:49 Matthew Moppett <<a href="mailto:matthewmoppett@gmail.com">matthewmoppett@gmail.com</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I have a file with the following relevant lines:<div><br></div><div>import qualified Control.Concurrent as C<br></div><div><br></div><div>...</div><div><br></div><div>isCancelled = C.isEmptyMvar . stopConcurrentProcess <br></div><div><br></div><div>Trying to compile this or run it in ghci yields a puzzling error message:</div><div><br></div><div><div>Not in scope: `C.isEmptyMvar'</div><div> Perhaps you meant one of these:</div><div> `C.isEmptyMVar' (imported from Control.Concurrent),</div><div> `C.isEmptyChan' (imported from Control.Concurrent)</div></div><div><br></div><div>Any idea what could be going wrong?</div><div><br></div></div>
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