Ørjan Johansen questions

Ørjan Johansen answers

• Memory blowing up for strict sum/strict foldl in ghci
• Pretty Printing list of lists
• Haskell Typeable instance
• Applying a (possibly unary) function recursively onto itself
• MonadRef pure implementation
• haskell write to file it if it does not exists before reading
• How to manually manipulate precedence of special expressions in Parsec?
• Constraints in Closed Type Families
• convert double to GLfloat in Haskell
• Is is possible to refer to Type Variables in pattern matching?