TermBuf::ScrollHint
Stability: internal
A scroll the buffer performed on itself, recorded so the painter can reach for the terminal's own scrolling instead of rediscovering the shift from row hashes. The painter still verifies a hint against those hashes before trusting it.
Constructors
Instance methods
serial
Where this hint sits in the buffer's log of them. Sinks paint at different times, so a hint cannot be handed over and forgotten: each remembers the serial it read up to, and the log is trimmed to the oldest of those.