> For the complete documentation index, see [llms.txt](https://www.rxjs.es/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.rxjs.es/api/indice/operatorfunction.md).

# OperatorFunction

```typescript
interface OperatorFunction<T, R> extends UnaryFunction, Observable> {

// Heredado de index/UnaryFunction
(source: T): R
}
```

## Interfaces Hijas

[MonoTypeOperatorFunction](https://github.com/puntotech/rxjs-docu/blob/master/doc/api/index/api/index/MonoTypeOperatorFunction/README.md)

## Recursos adicionales

[![Source code](https://github.com/puntotech/rxjs-docu/blob/master/doc/api/index/assets/icons/source-code.png)](https://github.com/ReactiveX/rxjs/blob/6.5.5/src/internal/types.ts#L7-L8)

[Documentación oficial en inglés](https://rxjs.dev/api/index/interface/OperatorFunction)