when<TResult extends Object?> method

  1. @optionalTypeArgs
TResult when<TResult extends Object?>(
  1. TResult $default(
    1. Map<String, dynamic>? transport,
    2. LogConfig? log,
    3. RouterConfig? routing,
    4. DNSConfig? dns,
    5. List<InboundDetourConfig>? inbounds,
    6. List<OutboundDetourConfig>? outbounds,
    7. PolicyConfig? policy,
    8. APIConfig? api,
    9. MetricsConfig? metrics,
    10. StatsConfig? stats,
    11. ReverseConfig? reverse,
    12. @JsonKey.new(name: 'fakeDns') FakeDNSConfig? fakeDns,
    13. ObservatoryConfig? observatory,
    14. BurstObservatoryConfig? burstObservatory,
    15. VersionConfig? version,
    16. GeodataConfig? geodata,
    )
)

A switch-like method, using callbacks.

As opposed to map, this offers destructuring. It is equivalent to doing:

switch (sealedClass) {
  case Subclass(:final field):
    return ...;
  case Subclass2(:final field2):
    return ...;
}

Implementation

@optionalTypeArgs TResult when<TResult extends Object?>(TResult Function( Map<String, dynamic>? transport,  LogConfig? log,  RouterConfig? routing,  DNSConfig? dns,  List<InboundDetourConfig>? inbounds,  List<OutboundDetourConfig>? outbounds,  PolicyConfig? policy,  APIConfig? api,  MetricsConfig? metrics,  StatsConfig? stats,  ReverseConfig? reverse, @JsonKey(name: 'fakeDns')  FakeDNSConfig? fakeDns,  ObservatoryConfig? observatory,  BurstObservatoryConfig? burstObservatory,  VersionConfig? version,  GeodataConfig? geodata)  $default,) {final _that = this;
switch (_that) {
case _XrayConfig():
return $default(_that.transport,_that.log,_that.routing,_that.dns,_that.inbounds,_that.outbounds,_that.policy,_that.api,_that.metrics,_that.stats,_that.reverse,_that.fakeDns,_that.observatory,_that.burstObservatory,_that.version,_that.geodata);case _:
  throw StateError('Unexpected subclass');

}
}