| abstract data type (ADT) A type whose internal form is hidden behind a set of s. Objects of the type are created and inspected only by calls to the access functions. This allows the implementation of the type to be changed without requiring any changes outside the in which it is defined. Abstract data types are central to where every is an ADT. A classic example of an ADT is a data type for which functions might be provided to create an empty stack, to values onto a stack and to values from a stack. (1995-02-22) |
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