whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. String id,
    2. String certificateType,
    3. String displayName,
    4. String serialNumber,
    5. String certificateContent,
    6. DateTime expirationDate,
    7. bool isActivated,
    )?
)

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 id,  String certificateType,  String displayName,  String serialNumber,  String certificateContent,  DateTime expirationDate,  bool isActivated)?  $default,) {final _that = this;
switch (_that) {
case _AppleSigningCertificateDto() when $default != null:
return $default(_that.id,_that.certificateType,_that.displayName,_that.serialNumber,_that.certificateContent,_that.expirationDate,_that.isActivated);case _:
  return null;

}
}