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definition:
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fromPattern :: QName -> CPattern -> (Term QName, Subst QName)
fromPattern _ (CPVar (v, _)) = (TermVar v, emptySubst)
fromPattern _ (CPLit l) = (fromLiteral l, emptySubst)
fromPattern fn (CPComb c ps) =
let (ts, subs) = unzip (map (fromPattern fn) ps)
in (TermCons c ts, foldr composeSubst emptySubst subs)
fromPattern fn (CPAs (v, _) p) = let (t, sub) = fromPattern fn p
in (t, extendSubst sub v t)
fromPattern fn (CPFuncComb c ps) =
let (ts, subs) = unzip (map (fromPattern fn) ps)
in (TermCons c ts, foldr composeSubst emptySubst subs)
fromPattern fn (CPLazy p) = fromPattern fn p
fromPattern fn (CPRecord _ _) = error (pError "fromPattern" "CPRecord" fn)
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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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Transforms an abstract Curry pattern for the function with the given name
into a pair of a term and a substitution.
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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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{(_,{CPVar}) |-> {(,)} || (_,{CPLit}) |-> {(,)} || (_,{CPComb}) |-> {(,)} || (_,{CPAs}) |-> {(,)} || (_,{CPFuncComb}) |-> {(,)} || (_,{CPLazy}) |-> {(,)}}
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name:
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fromPattern
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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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(String, String) -> AbstractCurry.Types.CPattern
-> (Rewriting.Term.Term (String, String), Data.Map.Map Prelude.Int (Rewriting.Term.Term (String, String)))
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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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