data SeekMode
= AbsoluteSeek -- ^ the position of @hdl@ is set to @i@.
| RelativeSeek -- ^ the position of @hdl@ is set to offset @i@
data SeekMode
= AbsoluteSeek -- ^ the position of @hdl@ is set to @i@.
| RelativeSeek -- ^ the position of @hdl@ is set to offset @i@