:: String -> Int -package:hledger-lib -package:speculate -package:polysemy is:exact -package:ViennaRNAParser -package:safe -package:express -package:numeric-prelude -package:base -package:bytestring package:ChasingBottoms

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