CLONE function returns a new set that is an exact copy of an existing set.
For example, this statement:
workingSet = CLONE(ALL);
defines and populates
workingSet with a copy of the contents of the predefined set
The syntax is:
set is a set variable.
In the manipulation flow,
CLONE is used both in the first instruction—to create a working copy of the
ALL set—and in the last—to copy the contents of a working set in the