whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. bool? noKernelTun,
    2. String secretKey,
    3. List<String>? address,
    4. List<WireGuardPeerConfig>? peers,
    5. @JsonKey.new(name: 'mtu') int? mtu,
    6. @JsonKey.new(name: 'workers') int? numWorkers,
    7. List<int>? reserved,
    8. XrayTargetStrategy? domainStrategy,
    )?
)

A variant of when that fallback to returning null

It is equivalent to doing:

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

Implementation

@optionalTypeArgs TResult? whenOrNull<TResult extends Object?>(TResult? Function( bool? noKernelTun,  String secretKey,  List<String>? address,  List<WireGuardPeerConfig>? peers, @JsonKey(name: 'mtu')  int? mtu, @JsonKey(name: 'workers')  int? numWorkers,  List<int>? reserved,  XrayTargetStrategy? domainStrategy)?  $default,) {final _that = this;
switch (_that) {
case _WireGuardConfig() when $default != null:
return $default(_that.noKernelTun,_that.secretKey,_that.address,_that.peers,_that.mtu,_that.numWorkers,_that.reserved,_that.domainStrategy);case _:
  return null;

}
}