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Quote: a class may define virtual quantities for access from a super class; like call-by-name; compiler could check virtual specification
Topic:
object-oriented classes
Topic:
abstract functions
Topic:
parameter passing by name
Quotation Skeleton
The virtual quantities described below represent another approach … [by a super class] to quantities declared local to the object at lower prefix … [p. 104, Discussion, Dahl] I would much have preferred to specify … This would have made it possible to check … to be consistent with ALGOL 60, we decided … Google-1 Google-2
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Topic: object-oriented classes (67 items)
Topic: abstract functions (11 items)
Topic: parameter passing by name (11 items)