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I heard about this tool from Haskell-Cafe. I came here hoping to see examples of how to use it. Instead I ended up reading the source code (the haddocks were not very informative). Soon I realized that even looking at the source code I was unsure how to use this library. Could you please construct examples and put them somewhere as documentation? Thanks!

I don't have docs of that sort, and I can see how they'd be helpful. For now you can look at client libraries. A quick "grep checkers */*.cabal" tells me that unamb and reactive both use checkers.

Is there a way to glean this info (what libraries use a given one) from Hackage?

Conal 17:35, 10 August 2009 (UTC)

Hi, due to this bug in GHC, checkers will not install in ghc >= 7 out of the box. The workarounds I've found are:

1) cabal unpack checkers; cd checkers-*; cabal configure; cabal build; cabal build; cabal install


2)Turn off optimizations: cabal install checkers --ghc-options=-O0

You might want to document it somewhere....

--Jcpetruzza 13:29, 13 July 2011 (UTC)