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reference variable

Data object that contains a reference. Reference variables can be either data reference variables or object reference variables. Reference variables have a length of 8 bytes and are opaque, which means the reference cannot be accessed directly. These are typed with the addition REF TO, which defines their static type. The static type is always more general than or the same as the dynamic type. For assignments between reference variables, reference semantics apply.


Other versions: 7.31 | 7.40 | 7.54