whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. String version,
    2. Info info,
    3. ExternalDocs? externalDocs,
    4. String? jsonSchemaDialect,
    5. List<Server>? servers,
    6. List<Tag>? tags,
    7. Map<String, PathItem>? paths,
    8. Map<String, PathItem>? webhooks,
    9. Components? components,
    10. List<Security>? security,
    11. Map<String, List<String>> extraSchemaMapping,
    )?
)

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(@JsonKey(name: 'openapi')  String version,  Info info,  ExternalDocs? externalDocs,  String? jsonSchemaDialect,  List<Server>? servers,  List<Tag>? tags,  Map<String, PathItem>? paths,  Map<String, PathItem>? webhooks,  Components? components,  List<Security>? security,  Map<String, List<String>> extraSchemaMapping)?  $default,) {final _that = this;
switch (_that) {
case _OpenApi() when $default != null:
return $default(_that.version,_that.info,_that.externalDocs,_that.jsonSchemaDialect,_that.servers,_that.tags,_that.paths,_that.webhooks,_that.components,_that.security,_that.extraSchemaMapping);case _:
  return null;

}
}