bergey questions

bergey answers

• Haskell cannot infer the type (or type-level Nat) equalities despite being explicitly annotated?
• Why are database queries a good place to use Arrows?
• Is Behavior a Comonad?
• What are the difference in usage between Either and Except in Haskell?
• Is it possible to use GHC.Stack.HasCallStack in a typeclass declaration and/or instantiation?
• Is there any way to force Haskell code ordering to work like F#?
• What does the Haskell function forall do and where is it defined?
• Why does eqT returning Maybe (a :~: b) work better than it returning Bool?
• Using Haskell addition function with both Num and Char values
• Understanding the Limitations of Lazy Evaluation (Sieve of Eratosthenes)