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gf-core/book/examples/chapter7/Query.gf
2010-11-22 12:55:37 +00:00

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abstract Query = {
flags startcat=Question ;
cat
Answer ; Question ; Object ;
fun
Even : Object -> Question ;
Odd : Object -> Question ;
Prime : Object -> Question ;
Number : Int -> Object ;
Yes : Answer ;
No : Answer ;
}