Option

public final class Option<T>

Lightweight Optional container replacing the RxJava-style Option/Some/None hierarchy. A null value represents None; a non-null value represents Some.

Properties

public final static Option NONE

public Option<T> filter(Func1<T, Boolean> predicate)

public Option<R> flatMap<R>(Func1<T, Option<R>> f)

public Option<T> ifNone(Action0 action)

public Option<T> ifSome(Action1<T> action)

public boolean isNone()

public boolean isSome()

public Option<R> map<R>(Func1<T, R> f)

public static Option<T> none<T>()

public static Option<T> ofObj<T>(T value)

public T orDefault(Func0<T> def)

public String toString()

public static Option<T> tryAsOption<T>(Callable<T> c)