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Section 8.11.2.2:
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Inheritance Diagram
types SAME = TRI_STATE ; TRI_STATE = token ;
This enumeration class provides a three-state logic response to a question requiring a yes/no answer. The answer provided may, of course, be 'yes' or 'no', but may also be a response which is interpetable as neither - giving rise to the third value 'unknown'.
The following feature is required to be implemented for this class in accordance with the specification given in $IS_EQ :-
The following feature is required to be implemented for this class in accordance with the specification given in $HASH :-
The following features are required to be implemented for this class in accordance with the specifications given in $BINARY :-
The following featuress are required to be implemented for this class in accordance with the specifications given in $STR :-
The following feature is required to be implemented for this class in accordance with the specification given in $TEXT which is a sub-type of the class $ENUMS{TRI_STATE} from which this class inherits :-
The following features are required to be implemented for this class in accordance with the specifications given in $ANCHORED_FMT :-
The following features are required to be implemented for this class in accordance with the specifications given in $ENUMS{T} :-
This enumeration provides three values which may be given the interpretation indicated :-
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or enquiries should be made toKeith Hopper. Page last modified: Friday, 1 June 2001. |
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