Function parse_instrument 

pub fn parse_instrument(
    symbol: &Symbol,
    ts_init: UnixNanos,
) -> Result<CoinApiInstrument, InstrumentError>

Parses one CoinAPI symbol into a native spot, perpetual, or futures instrument.

Errors

Returns an error if the symbol type is unsupported, the native mapping is unsupported or unresolved, or a required identity, precision, contract, or date field is missing or invalid.