failFeedback.fail : unit -> 'a
Raise a HOL_ERR.
The function fail raises a HOL_ERR with
default values. This is useful when detailed error tracking is not
necessary.
Always fails.
- fail() handle e => Raise e;
Exception raised at ??.??:
fail
! Uncaught exception:
! HOL_ERR
Feedback, Feedback.failwith, Feedback.Raise, Feedback.HOL_ERR