-- first byte after buffer

-- | The size of the free space of the buffer.
--
-- Since 0.1.10.0
--
freeSize :: Buffer -> Int
freeSize (Buffer _ _ op ope) = ope `minusPtr` op
freeSize :: Buffer -> Int
freeSize (Buffer _ _ op ope) = ope `minusPtr` op
freeSize (Buffer _ _ op ope) = ope `minusPtr` op