[Haskell-cafe] [ANN] Hayoo Relaunch

Heinrich Apfelmus apfelmus at quantentunnel.de
Mon Aug 4 10:28:06 UTC 2014

Sebastian Philipp wrote:

> Hayoo <http://hayoo.fh-wedel.de> has been relaunched. Hayoo is a search
> engine for Hackage packages, which allows you to search for functions,
> data types and packages.
> It is currently work in progress. Any feedback is greatly appreciated!

Thanks for this fabulous search engine that covers all of hackage! But I 
have feedback. :)

Yesterday, I was trying to search for the operator (^?!), but no 
results. Today, I found that I have to put it in quotes, so the 
following queries work: "(^?!)", "^?!". I guess that one of the three 
symbols has some special meaning in the query language, but would it be 
possible to change the lexical syntax to match Haskell's syntax? I.e. 
any valid Haskell identifier is also a valid search query. (I'm happy to 
put parentheses around operators.)

The inline Haddock documentation is great, but at the moment, the 
hyperlinks don't seem to work. The link


gives an error message

   Internal Error: (line 1, column 57): unexpected "S" expecting digit

Best regards,
Heinrich Apfelmus


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