 Get the one-line string representation of a mixed amount.
--
-- > showMixedAmountOneLine = wbUnpack . showMixedAmountB oneLine
showMixedAmountOneLine :: MixedAmount -> String
showMixedAmountOneLine = wbUnpack . showMixedAmountB oneLine

--
showMixedAmountOneLine :: MixedAmount -> String
showMixedAmountOneLine = wbUnpack . showMixedAmountB oneLine
showMixedAmountOneLine = wbUnpack . showMixedAmountB oneLine