Rein Henrichs questions

Rein Henrichs answers

• Trying to optimize this algorithm/code to compute the largest subset of mutually coprime integers between a and b
• Why has Haskell troubles resolving "overloaded" operators?
• Using an 'fmap-like' function on types of kind *
• Haskell function to apply operations recursively to an argument
• Why am I forced to specify a type here?
• How to compose "Maybe" lenses?
• Stripping out let in Haskell
• Could you trace how this Haskell foldl lambda function is working?
• On a Functor instance declaration
• Understanding Data.Function.on type signature