:: String -> Int -package:hledger-lib -package:speculate is:exact -package:ViennaRNAParser -package:express -package:monads-tf -package:ghc-lib-parser -package:base -package:gpolyline -package:ghc package:ChasingBottoms

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