CurryInfo: cdbi-3.2.0 / Database.CDBI.Criteria.isNull
definition: 
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isNull :: Value a -> Constraint isNull v1 = IsNull (toCValue v1) |
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demand:
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no demanded arguments |
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deterministic:
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deterministic operation |
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documentation:
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IsNull construnctor @param v1 - First Value |
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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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{(_) |-> {IsNull}}
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name:
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isNull |
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precedence:
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no precedence defined |
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result-values:
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{IsNull}
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signature:
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Value a -> Constraint |
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solution-complete:
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operationally complete operation |
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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 |