when<TResult extends Object?> method

  1. @optionalTypeArgs
TResult when<TResult extends Object?>(
  1. TResult $default(
    1. int? ttl,
    2. int? tag,
    3. int? correlationId,
    4. String? attestation,
    5. Map<String, dynamic>? tvf,
    6. String? publishMethod,
    )
)

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? ttl,  int? tag,  int? correlationId,  String? attestation,  Map<String, dynamic>? tvf,  String? publishMethod)  $default,) {final _that = this;
switch (_that) {
case _PublishOptions():
return $default(_that.ttl,_that.tag,_that.correlationId,_that.attestation,_that.tvf,_that.publishMethod);}
}