Ulrich Schuster questions

• Generic type for data transfer records in Haskell
• How to fail a nested megaparsec parser?
• Difficulty composing log messages for the RIO.Logger via UTF8Builder
• The Reader Monad in Kotlin with arrow-kt
• Add docker container to network under two different names
• What is the idiomatic Haskell-way to act on predicates in IO?
• Add a missing property in a groovy @Canonical bean constructor call?
• What does it mean to "run" inside a monad?
• How can I compose error types in Haskell?
• Which permission does a docker named volume get upon mounting?

Ulrich Schuster answers