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Quote: use reference variables to refer to records and their fields; e.g., age(father(B)) is the age of B's father
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Topic:
data record
Topic:
access to objects by a path
Topic:
pointers to data
Quotation Skeleton
References are also used to provide the means … be declared in the head of the block … Fields of records can be referred to directly … to the relevant record. … Thus, for example, if B is a variable … and if age and father are field identifiers … gives that person's age; father(B) is a reference … Google-1 Google-2
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Topic: data record (57 items)
Topic: access to objects by a path (13 items)
Topic: pointers to data (55 items)