| ActualTuple | Default implementation of position in a crossed coordinate space. NOTA.TYPE |
| BoxProjectionStepper | Steps over all projections of some boxes. was nota.type but this prevented compilation |
| BoxStepper | Steps over all boxes. was NOTA.TYPE but this prevented compilation |
| CrossRegion | A cross region is a distinction if 1) it is empty, 2) it is full, or 3) it is the rectangular cross ... |
| CrossSpace | Represents the cross of several coordinate spaces. |
| GenericCrossRegion | Represents a region as a two-dimensional array of crosses of subregions.
Was NOTA.TYPE but that obs... |
| GenericCrossSpace | Default implementation of cross coordinate space.
was NOTA.TYPE but that prevented compilation |
| MergeStepper | A Stepper for doing a merge-sort like ordered interleaving of two other steppers. It is assumed tha... |
| PtrArrayStepper | A Stepper for stepping over the elements of a PtrArray in ascending or descending order. This is a ... |
| Tuple | A tuple is a Position in a CrossSpace represented by a sequence of Positions in its subSpaces |