Functions (WildFly: Common code for clustering subsystems 27.0.0.Alpha3 API)

java.lang.Object
- org.jboss.as.clustering.function.Functions

```
public class Functions
extends Object
```
Function utility methods.

Author:

Paul Ferraro

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static <R,T extends R> Function<T,R>`	`identity()`	Returns a function that always returns its input argument.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - identity
```
public static <R,T extends R> Function<T,R> identity()
```
    Returns a function that always returns its input argument.
    
    Type Parameters:
    
    T - the input type to the function
    
    R - the output type of the function
    
    Returns:
    
    a function that always returns its input argument