FunctionConsumer (Reactive Server Pages (RSP) 0.2 API)

Type Parameters:

S - the type of the state snapshot, an immutable class

All Known Subinterfaces:

UseState<S>

All Known Implementing Classes:

MutableState, ReadOnly
```
public interface FunctionConsumer<S>
```
Represents a write state snapshot operation using the result of a function which transforms the current state to a new state. The function execution and write may be performed with synchronization, making the state update atomic.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`accept(Function<S,S> function)`	Writes the new state with the result of the function.
`void`	`acceptOptional(Function<S,Optional<S>> function)`	Writes the new state with the result of the function if the result is not empty.

- Method Detail
  - accept
```
void accept(Function<S,S> function)
```
    Writes the new state with the result of the function.
    
    Parameters:
    
    function - the state transformation
  - acceptOptional
```
void acceptOptional(Function<S,Optional<S>> function)
```
    Writes the new state with the result of the function if the result is not empty.
    
    Parameters:
    
    function - the state transformation