Functions (RESTEasy 6.2.4.Final API)

java.lang.Object
- org.jboss.resteasy.spi.util.Functions

```
public class Functions
extends Object
```
A simple utility for various functions.

Author:

James R. Perkins

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static <T> Supplier<T>`	`singleton(Supplier<T> generator)`	Creates a supplier which loads the value at most once with the provided generator.

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

- Method Detail
  - singleton
```
public static <T> Supplier<T> singleton(Supplier<T> generator)
```
    Creates a supplier which loads the value at most once with the provided generator.
    
    Type Parameters:
    
    T - the type of result
    
    Parameters:
    
    generator - the generator to load the value
    
    Returns:
    
    a singleton supplier