calvin questions

• Is there any ways to attach some debug fields for a rust struct?
• Why we use `Box::pin` for !Unpin and `Pin::new` for Unpin?
• How can I temporarily checkout to another branch when merging?
• why for-loop isn't a compile time expression and extended constexpr allows for-loop in a constexpr function
• Why does haskell's bind function take a function from non-monadic to monadic

calvin answers