DistanceSensor (Library-of-Gongolierium 4.0.7 API)

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface DistanceSensor
```
A sensor which detects the distance travelled

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  double getDistance()

- Method Detail
  - getDistance
```
double getDistance()
```
    Returns:
    
    the distance travelled