org.littleshoot.util
Interface Optional<T>

Type Parameters:

T - The type of object this optional object holds.

All Known Subinterfaces:

None<T>, Some<T>

All Known Implementing Classes:

NoneImpl, SomeImpl

public interface Optional<T>

An optional object. We use this in place of null where possible, since it does a better job of forcing the 'null' value to be handled.

Method Summary

<ReturnT> ReturnT

accept(OptionalVisitor<ReturnT,T> visitor) Accepts a visitor to this optional object.

Method Detail

accept

<ReturnT> ReturnT accept(OptionalVisitor<ReturnT,T> visitor)

Accepts a visitor to this optional object.

Type Parameters:

ReturnT - The type returned by the visitor.

Parameters:

visitor - The visitor.

Returns:

The result of visiting this optional object with the given visitor.