:: String -> Int -package:hledger-lib -package:speculate -package:Agda -package:express is:exact -package:locators -package:base -package:vty -package:string-conversions -package:bytestring -package:Cabal-syntax package:ChasingBottoms

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