pub fn parse_betfair_ticker(
instrument_id: InstrumentId,
rc: &RunnerChange,
ts_event: UnixNanos,
ts_init: UnixNanos,
) -> Option<BetfairTicker>Expand description
Extracts a BetfairTicker from a runner change if any ticker fields are present.
Returns None when the runner change contains no ltp, tv, spn, or spf data.