CurryInfo: ertools-3.0.0 / Database.ERD.Goodies.isForeignKey
definition: 
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isForeignKey :: Attribute -> Bool
isForeignKey (Attribute _ d _ _) = case d of KeyDom _ -> True
_ -> False
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demand:
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argument 1 |
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deterministic:
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deterministic operation |
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documentation:
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- Is an attribute a (generated) foreign key? |
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failfree:
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_ |
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indeterministic:
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referentially transparent operation |
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infix:
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no fixity defined |
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iotype:
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{({Attribute}) |-> _}
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name:
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isForeignKey |
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precedence:
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no precedence defined |
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result-values:
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{False,True}
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signature:
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Database.ERD.Attribute -> Prelude.Bool |
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solution-complete:
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operation might suspend on free variables |
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terminating:
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yes |
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totally-defined:
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reducible on all ground data terms |