chi questions

chi answers

• Haskell a better way a replacing a character in a string
• Debug: Couldn't match expected type ‘GHC.Types.Bool’ with actual type ‘Bool’
• How to deal with non-exhaustive pattern matching?
• How to deprecate a particular type-class instance?
• How to properly step through recursive parsing?
• When is `noexcept` required on move assignment?
• GHC type functions and scoped type variables
• GADT with Type level Bool - making (&&) type operator imply constraints for its arguments
• How do I efficiently add existentially typed safe money values?
• How can Data.Function's `on` function be generalized to work with n-ary functions?