OCLOperators isNull
This page was created by Hans.karlsen on 2017-11-20. Last edited by 62.169.16.147 on 2026-09-12.
Returns true if the value is null (not assigned any value).
Example[edit source]
If We have a Class Car
Car.allinstances->isNull
This will either return true or false
See also: OCLOperators_notNull