maybeWhen<TResult extends Object?> method

  1. @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>(
  1. TResult $default(
    1. String tankSlug,
    2. String fuelSubtype,
    3. double height,
    4. @Deprecated('Use sampleTemperature instead') double? temperature,
    5. double volume,
    6. double fuelDensity,
    7. double? sampleTemperature,
    8. double? tankTemperature,
    )?, {
  2. required TResult orElse(),
})

A variant of when that fallback to an orElse callback.

It is equivalent to doing:

switch (sealedClass) {
  case Subclass(:final field):
    return ...;
  case _:
    return orElse();
}

Implementation

@optionalTypeArgs TResult maybeWhen<TResult extends Object?>(TResult Function( String tankSlug,  String fuelSubtype,  double height, @Deprecated('Use sampleTemperature instead')  double? temperature,  double volume,  double fuelDensity,  double? sampleTemperature,  double? tankTemperature)?  $default,{required TResult orElse(),}) {final _that = this;
switch (_that) {
case _TankMeasurementInput() when $default != null:
return $default(_that.tankSlug,_that.fuelSubtype,_that.height,_that.temperature,_that.volume,_that.fuelDensity,_that.sampleTemperature,_that.tankTemperature);case _:
  return orElse();

}
}