chi questions

chi answers

• Why Can't I Construct a Singleton List of Symbol?
• Can iterate be written with a fold?
• Difference between type family and partial newtype? (and partial data?)
• How can I pattern match conditionally in a list comprehension in Haskell
• Haskell: Verify that every implementation for a function in a typeclass is commutative
• How do I distinguish negative zero with Aeson?
• Lambda Calculus vs Category theory in FP [closed]
• Understanding lack of lazyness Alternative.many
• Avoid list concatenation during in-order binary tree traversal
• How to use Do notation with both Maybe and IO