Map the failure of this async result to {@code null}.<p>
This is a convenience for {@code asyncResult.otherwise((T) null)}.<p>
When this async result fails, the {@code null} will succeeed the async result returned by this method call.<p>
When this async succeeds, the result will be propagated to the returned async result.
@return the mapped async result
See Implementation
Map the failure of this async result to {@code null}.<p>
This is a convenience for {@code asyncResult.otherwise((T) null)}.<p>
When this async result fails, the {@code null} will succeeed the async result returned by this method call.<p>
When this async succeeds, the result will be propagated to the returned async result.
@return the mapped async result