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Abstract type: Difference between revisions
Omit from Factor
(Omit from Factor) |
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}</lang>
=={{header|Genyris}}==
In Genyris by default there are no constructors. In effect all classes are Abstract until they are used to tag (describe) an object. This in keeping with the language's roots in Description Logic. To prevent the class ever being associated with an instance it suffices to force the validator to fail.
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{{omit from|AWK}}
{{omit from|Fortran}}
{{omit from|Factor|Factor is a dynamic language. You could of course do the solution of python/ruby (throw exceptions for unimplemented methods)}}
{{omit from|gnuplot}}
{{omit from|LaTeX}}
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