whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. String? url,
    2. String? bundleId,
    3. String? packageName,
    4. String sdkVersion,
    5. String sdkPlatform,
    )?
)

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? url,  String? bundleId,  String? packageName,  String sdkVersion,  String sdkPlatform)?  $default,) {final _that = this;
switch (_that) {
case _PulseMetadataCompat() when $default != null:
return $default(_that.url,_that.bundleId,_that.packageName,_that.sdkVersion,_that.sdkPlatform);case _:
  return null;

}
}