Closed KengoTODA closed 11 years ago
this PR will close #432 and make top page clean.
Fixed. Looks complex but it works,
is it acceptable for you to use existence of Optional<T> as flag? We can divide Optional<T> into T and boolean if we need.
Optional<T>
T
boolean
Stopped using Optinal in wrong way.
this PR will close #432 and make top page clean.