ViewableAsOptional.Single (Digipost Digg 0.27 API)

Type Parameters:

V - The type of the supplied value

All Superinterfaces:

Supplier<V>, ViewableAsOptional<V>

All Known Subinterfaces:

Assignment<V>

All Known Implementing Classes:

ChainableAssignment, OneTimeAssignment

Enclosing interface:

ViewableAsOptional<V>

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public static interface ViewableAsOptional.Single<V>
extends Supplier<V>, ViewableAsOptional<V>
```
A Supplier which is also ViewableAsOptional.

Nested Class Summary
- Nested classes/interfaces inherited from interface no.digipost.util.ViewableAsOptional
  ViewableAsOptional.Single<V>, ViewableAsOptional.TooManyElements

Method Summary

All Methods Instance Methods Default Methods
Modifier and Type	Method	Description
`default Optional<V>`	`toOptional()`	Convert this object to an `Optional` by wrapping the value returned from `Supplier.get()`.

Methods inherited from interface java.util.function.Supplier
get

- Method Detail
  - toOptional
```
default Optional<V> toOptional()
                        throws ViewableAsOptional.TooManyElements
```
    Convert this object to an Optional by wrapping the value returned from Supplier.get().
    
    Specified by:
    
    toOptional in interface ViewableAsOptional<V>
    
    Returns:
    
    the value returned from Supplier.get(), wrapped in an Optional. If get() returns null, Optional.empty() is returned.
    
    Throws:
    
    ViewableAsOptional.TooManyElements - if this object contains more than one element, and thus is not applicable for lossless conversion to an Optional.