whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. String $type,
    2. DateTime createdAt,
    3. AgeAssuranceEventStatus status,
    4. String attemptId,
    5. String? initIp,
    6. String? initUa,
    7. String? completeIp,
    8. String? completeUa,
    9. Map<String, dynamic>? $unknown,
    )?
)

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( String $type,  DateTime createdAt, @AgeAssuranceEventStatusConverter()  AgeAssuranceEventStatus status,  String attemptId,  String? initIp,  String? initUa,  String? completeIp,  String? completeUa,  Map<String, dynamic>? $unknown)?  $default,) {final _that = this;
switch (_that) {
case _AgeAssuranceEvent() when $default != null:
return $default(_that.$type,_that.createdAt,_that.status,_that.attemptId,_that.initIp,_that.initUa,_that.completeIp,_that.completeUa,_that.$unknown);case _:
  return null;

}
}