Function

Type Parameters:

T - the type of input objects to the apply operation

R - the type of result objects from the apply operation. May be the same type as <T>.
```
public interface Function<T,R>
```
Apply a function to the input object yielding an appropriate result object. A function may variously provide a mapping between types, object instances or keys and values or any other form of transformation upon the input.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  R apply(T t)
  Yield an appropriate result object for the input object.

- Method Detail
  - apply
```
R apply(T t)
```
    Yield an appropriate result object for the input object.
    
    Parameters:
    
    t - the input object
    
    Returns:
    
    the function result