ict 'Text' to/from strict 'ByteString', via UTF-8.
--
-- >>> utf8 # "☃"
-- "\226\152\131"
utf8 :: Prism' ByteString Text
utf8 = prism' encodeUtf8 (preview _Right . decodeUtf8')
{-# INLINE utf8 #-}

#if 
utf8 :: Prism' ByteString Text
utf8 = prism' encodeUtf8 (preview _Right . decodeUtf8')
utf8 = prism' encodeUtf8 (preview _Right . decodeUtf8')