On Thu, Dec 1, 2011 at 7:40 PM, Yves Parès <span dir="ltr">&lt;<a href="mailto:limestrael@gmail.com">limestrael@gmail.com</a>&gt;</span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Hey,<br><br>What do you mostly use for debugging?<br>Simple calls to Debug.Trace.trace? Hpc? Hood?<br></blockquote></div><br>I also wonder about &#39;type-debugging&#39;<br><br>Using ghci:<br>For a top level expression:<br>
 - if it is not compiling I can put in (or remove) a type decl and see how things change.<br> - if it is compiling I can of course &quot;:t it&quot;<br><br>But for internal expressions it can be quite hairy to figure out why what haskell thinks is the type of something and what I think dont match.<br>
<br>So is there something like type-intellisense for haskell where if one hovers the mouse (maybe over a selection) haskell tells what type it finds there?<br>