What a caller asks the index for. nearest is declared here so the union is complete and SelectOptions does not change shape when Task 16 lands; until then it is rejected explicitly rather than silently treated as a point.
nearest
SelectOptions
What a caller asks the index for.
nearestis declared here so the union is complete andSelectOptionsdoes not change shape when Task 16 lands; until then it is rejected explicitly rather than silently treated as a point.