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definition:
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restrictSubst :: Subst f -> [VarIdx] -> Subst f
restrictSubst sub vs =
listToSubst [(v, t) | v <- vs, Just t <- [lookupSubst sub v]]
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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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--- Returns a new substitution with only those mappings from the given
--- substitution whose variable is in the given list of variables.
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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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{(_,_) |-> _}
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name:
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restrictSubst
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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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Data.Map.Map Prelude.Int (Rewriting.Term.Term a) -> [Prelude.Int]
-> Data.Map.Map Prelude.Int (Rewriting.Term.Term a)
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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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