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Examples 8.1.2.4: |
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The single feature of the required library class ELT_HASH is used in individual examples below. None of the examples given is a complete class nor necessarily a 'complete' method.
In all of the examples it will be assumed that the code shown is in a class called, say, EXAMPLE.
This feature returns a cardinal number as a hash value from the value of the object if it derives from $HASH or from the object identity if it is otherwise not immutable.
If some_element is an uncreated object then the resulting hash value is zero, otherwise implementatioin-dependent.
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or enquiries should be made to Keith Hopper. Page last modified: Thursday, 25 May 2000. |
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