The operator empty() returns TRUE if set is empty, FALSE otherwise. Prototype boolean <-- empty(set) Examples empty(attr(first FILEDESC within file $myfile)); TRUE empty(top DATE within file $myfile); FALSE
The operator empty() returns TRUE if set is empty, FALSE otherwise.
Prototype
boolean <-- empty(set)
Examples
empty(attr(first FILEDESC within file $myfile)); TRUE empty(top DATE within file $myfile); FALSE
TRUE
FALSE