when<TResult extends Object?> method
TResult
when<TResult extends Object?>(
- TResult $default(
- String? name,
- GithubCommitModel? commit,
- GithubBranchModelRef? baseRef,
- bool fromServer,
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? name, @jsonParam GithubCommitModel? commit,
@refParam GithubBranchModelRef baseRef, bool fromServer)
$default,
) {
final _that = this;
switch (_that) {
case _GithubBranchModel():
return $default(
_that.name, _that.commit, _that.baseRef, _that.fromServer);
case _:
throw StateError('Unexpected subclass');
}
}