Count the elements of a flat array belonging to a given parent — the children a cascading delete would take with it, used to warn before removing a zone or a part.
The persisted element shape.
The flat array to scan.
The parent code to count members of.
Reads an element's parent code.
The number of elements naming group as their parent.
group
Count the elements of a flat array belonging to a given parent — the children a cascading delete would take with it, used to warn before removing a zone or a part.