when<TResult extends Object?> method
TResult
when<TResult extends Object?>(
- TResult $default(
- String androidLink,
- String windowsLink,
- String version,
- String? id,
- @TimestampConverter() DateTime? createdAt,
- @TimestampConverter() DateTime? updatedAt,
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( String androidLink, String windowsLink, String version, String? id, @TimestampConverter() DateTime? createdAt, @TimestampConverter() DateTime? updatedAt) $default,) {final _that = this;
switch (_that) {
case _ApiUpdateInfo():
return $default(_that.androidLink,_that.windowsLink,_that.version,_that.id,_that.createdAt,_that.updatedAt);case _:
throw StateError('Unexpected subclass');
}
}