when<TResult extends Object?> method

  1. @optionalTypeArgs
TResult when<TResult extends Object?>(
  1. TResult $default(
    1. int version,
    2. String? auth,
    3. String? congestion,
    4. Bandwidth? up,
    5. Bandwidth? down,
    6. @JsonKey.new(name: 'udphop') UdpHop? udpHop,
    7. int? udpIdleTimeout,
    8. Masquerade? masquerade,
    )
)

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( int version,  String? auth,  String? congestion,  Bandwidth? up,  Bandwidth? down, @JsonKey(name: 'udphop')  UdpHop? udpHop,  int? udpIdleTimeout,  Masquerade? masquerade)  $default,) {final _that = this;
switch (_that) {
case _HysteriaConfig():
return $default(_that.version,_that.auth,_that.congestion,_that.up,_that.down,_that.udpHop,_that.udpIdleTimeout,_that.masquerade);case _:
  throw StateError('Unexpected subclass');

}
}