kosmikus questions

kosmikus answers

• Why is Haskell giving "ambiguous type variable" error?
• Partially applied equality constraint
• Why does cabal think I need an old library?
• Is there a way to unwrap a type from an IO monad?
• What is the status of comprehensive comprehensions?
• Haskell Prelude.head error, empty list
• Is it possible to write a function Int -> NatSing n, where NatSing is a singleton type of peano numbers?
• What does cabal's "Warning: Falling back to topdown solver for GHC < 7." mean?
• System.Random behaving very strangely; numbers displayed are not the numbers being operated on
• Deserialising with GHC.Generics