toSync method
Implementation
@pragma('vm:prefer-inline')
Sync<T> toSync({
@noFutures TOnErrorCallback<T>? onError,
@noFutures TVoidCallback? onFinalize,
}) {
assert(
!isSubtype<T, Future<Object>>(),
'Do not call toSync on futures: $T.',
);
return Sync(() => this, onError: onError, onFinalize: onFinalize);
}