Optional

Kotlin |Java

public class Optional<T> implements Serializable

Redefinition of Guava's Optional, created to avoid compatibilty breakages for users of EspressoOptional.

Summary

Public methods
`Set<T>`	`asSet()` This method is deprecated. Deprecated in Java
`boolean`	`equals(Object object)` This method is deprecated. Deprecated in Java
`static Optional<T>`	`<T> fromNullable(@Nullable T value)` This method is deprecated. Deprecated in Java
`T`	`get()` This method is deprecated. Deprecated in Java
`int`	`hashCode()` This method is deprecated. Deprecated in Java
`boolean`	`isPresent()` This method is deprecated. Deprecated in Java
`static Optional<T>`	`<T> of(T value)` This method is deprecated. Deprecated in Java
`Optional<T>`	`or(Optional<T> other)` This method is deprecated. Deprecated in Java
`T`	`or(T other)` This method is deprecated. Deprecated in Java
`T`	`or(Supplier<T> supplier)` This method is deprecated. Deprecated in Java
`T`	`orNull()` This method is deprecated. Deprecated in Java
`static Iterable<T>`	`<T> presentInstances(Iterable<Optional<T>> optionals)` This method is deprecated. Deprecated in Java
`Optional<V>`	`<V> transform(Function<T, V> function)` This method is deprecated. Deprecated in Java

public Set<T> asSet()

public boolean equals(Object object)

public static Optional<T> <T> fromNullable(@Nullable T value)

public T get()

public int hashCode()

public boolean isPresent()

public static Optional<T> <T> of(T value)

public Optional<T> or(Optional<T> other)

public T or(T other)

public T or(Supplier<T> supplier)

public T orNull()

public static Iterable<T> <T> presentInstances(Iterable<Optional<T>> optionals)

public Optional<V> <V> transform(Function<T, V> function)