# All Superinterfaces
`RamaFunction`, `RamaSerializable`, `Serializable`

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public interface RamaFunction0<R>
extends [RamaFunction](/content/javadoc/com/rpl/rama/ops/RamaFunction.html "interface in com.rpl.rama.ops"/index.html)

## Interface for custom function implementations of zero arguments

### Method Summary

- All Methods
- Instance Methods
- Abstract Methods

| Modifier and Type | Method           | Description                                        |
|-------------------|------------------|----------------------------------------------------|
| `R`               | `invoke()`       | Computes result of function from input arguments  |

### Method Details

#### invoke )

[R](/content/javadoc/com/rpl/rama/ops/RamaFunction0.html "type parameter in RamaFunction0"/index.html) invoke()

Computes result of function from input arguments