Local identifiers that are set and referenced once (REDU4)
This is a list of all local identifiers that are set and referenced just once. It may be more efficient to skip these intermediate identifiers.
Restrictions:
Identifiers that are first set as a var parameter in a call to a subprogram, and afterwards referenced, are not reported. Also, when the identifier is referenced in a loop, it is not reported.
Example:
See also: