Uses of Interface
javascalautils.Option

Uses of Option in javascalautils

Classes in javascalautils that implement Option

Modifier and Type	Class and Description
class	None<T> Represents an empty Option.
class	Some<T> Represents an Option holding a value.

Methods in javascalautils that return Option

Modifier and Type	Method and Description
static <T> Option<T>	Option.apply(T value) Creates an instance of Option. If a null value is provided then None is returned, else Some containing the provided value.
default Option<T>	Try.asOption() Returns this Try as an Option.
static <T> Option<T>	Option.empty() Creates an empty Option. In practice this returns a singleton as it anyways cannot represent a value/state.
Option<Either<L,R>>	LeftProjection.filter(java.util.function.Predicate<L> predicate) Returns a Some wrapping the Either if it's a Left and the value of the Left matches the predicate, else None .
Option<Either<L,R>>	RightProjection.filter(java.util.function.Predicate<R> predicate) Returns a Some wrapping the Either if it's a Right and the value of the Right matches the predicate, else None .
default Option<T>	Option.filter(java.util.function.Predicate<T> p) Returns this Option if it is nonempty and applying the predicate p to this Option's value returns true.
default Option<T>	Option.filterNot(java.util.function.Predicate<T> p) Returns this Option if it is nonempty and applying the predicate p to this Option's value returns false.
<R> Option<R>	None.map(java.util.function.Function<T,R> f) Always returns this.
<R> Option<R>	Option.map(java.util.function.Function<T,R> function) Returns an Option consisting of the result of applying the given function to the current Some.
<R> Option<R>	Some.map(java.util.function.Function<T,R> f) Returns an Option consisting of the result of applying the given function to the current value.
static <T> Option<T>	Option.ofOptional(Optional<T> optional) Converts the Optional to a corresponding Option.
Option<T>	None.orElse(java.util.function.Supplier<Option<T>> s) Always the value provided by the supplier.
Option<T>	Option.orElse(java.util.function.Supplier<Option<T>> supplier) Returns this Option if it is nonempty, otherwise return the result of provided by the supplier.
Option<T>	Some.orElse(java.util.function.Supplier<Option<T>> s) Always returns this.

Method parameters in javascalautils with type arguments of type Option

Modifier and Type	Method and Description
Option<T>	None.orElse(java.util.function.Supplier<Option<T>> s) Always the value provided by the supplier.
Option<T>	Option.orElse(java.util.function.Supplier<Option<T>> supplier) Returns this Option if it is nonempty, otherwise return the result of provided by the supplier.
Option<T>	Some.orElse(java.util.function.Supplier<Option<T>> s) Always returns this.