- Function SubRange(Superset, First, Last)
SubRange
The function SubRange
extracts a subrange of consecutive elements
from an existing set.
SubRange(
Superset, ! (input) a simple set
First, ! (input) an element
Last ! (input) an element
)
Arguments
- Superset
The set containing the subrange of elements that you want to extract.
- First
An element in Superset representing the first element of the subrange.
- Last
An element in Superset representing the last element of the subrange.
Return Value
The function returns a set containing the subrange of elements extracted from Superset. If the element First is positioned after Last, then the empty set is returned.