pub fn depth10_schema() -> SchemaExpand description
Returns the display-mode Arrow schema for [OrderBookDepth10].
Column order: instrument_id, then all bid_price_{0..N},
ask_price_{0..N}, bid_size_{0..N}, ask_size_{0..N},
bid_count_{0..N}, ask_count_{0..N}, then flags, sequence,
ts_event, ts_init.