optionalInstrumentType method
Implementation
InstrumentType? optionalInstrumentType(
[String key = _defaultInstrumentTypeKey]) =>
this[key] != null
? const InstrumentTypeConverter().fromJson(this, key)
: null;
InstrumentType? optionalInstrumentType(
[String key = _defaultInstrumentTypeKey]) =>
this[key] != null
? const InstrumentTypeConverter().fromJson(this, key)
: null;