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definition:
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isDemandedAt :: Int -> Rule _ -> Bool
isDemandedAt _ (TermVar _, _) = False
isDemandedAt i (TermCons _ ts, _) =
i > 0 && i <= length ts && isConsTerm (ts !! (i - 1))
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demand:
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argument 2
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deterministic:
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deterministic operation
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documentation:
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--- Checks whether the given argument position of a rule is demanded. Returns
--- `True` if the corresponding argument term is a constructor term.
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failfree:
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<FAILING>
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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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{(_,{(,)}) |-> _}
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name:
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isDemandedAt
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precedence:
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no precedence defined
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result-values:
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_
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signature:
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Prelude.Int -> (Rewriting.Term.Term a, Rewriting.Term.Term a) -> 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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possibly non-terminating
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totally-defined:
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possibly non-reducible on same data term
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