:: String -> Int is:exact -package:string-conversions -package:safe -package:monads-tf -package:vty -package:speculate -package:gpolyline -package:express -package:numeric-prelude -package:dbus -package:base package:ChasingBottoms

nonBottomError s raises an exception (AssertionFailed) that is not caught by isBottom. Use s to describe the exception.