K. A. Buhr questions

K. A. Buhr answers

• Can I compose ReadS and ReadP?
• How do more recent updates in the state monad not get replaced by earlier ones?
• Is this a proper way to exploit Ghosts of Departed Proofs in Haskell?
• cannot compile yesod, hGetContents invalid argument
• Lenses, the State monad, and Maps with known keys
• Extracting values from a deeply nested data structure in haskell
• What is the purpose of the "constructor header" in GHC?
• Haskell attoparsec parser using insane amount of memory
• Does sequence on an infinite list of IO actions by definition result in a never-ending action? Or is there a way to bail out?
• How do I use a global state in WAI middleware?