-- | Checks whether a string starts with two dashes.
startsWithDashes :: ByteString -> Bool
startsWithDashes s = BS.pack "--" `BS.isPrefixOf` s
startsWithDashes :: ByteString -> Bool
startsWithDashes s = BS.pack "--" `BS.isPrefixOf` s
startsWithDashes s = BS.pack "--" `BS.isPrefixOf` s