filesize -package:hackage-security -package:http-client -package:unix -package:pantry -package:ghc-lib -package:slack-api -package:http-conduit -package:wai-extra package:directory

fileSizeFromMetadata :: Metadata -> Integer
directory System.Directory.Internal
getFileSize :: FilePath -> IO Integer
directory System.Directory
Obtain the size of a file in bytes.
getFileSize :: OsPath -> IO Integer
directory System.Directory.OsPath
Obtain the size of a file in bytes.