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definition:
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lookupFirstTable :: String -> Symboltable a b -> Maybe a
lookupFirstTable k (ST (m,_) Nothing ) = Map.lookup k m
lookupFirstTable k (ST (m,_) (Just s)) = case Map.lookup k m of
Just v -> Just v
Nothing -> lookupFirstTable k s
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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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--- Lookupfunction: First looks up the key in the current scope (first table)
--- if it is not found the surrounding scope will be used and so on.
--- Returns Nothing if no value was found.
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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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{(_,{ST}) |-> {Just,Nothing}}
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name:
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lookupFirstTable
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precedence:
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no precedence defined
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result-values:
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{Just,Nothing}
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signature:
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String -> Symboltable a b -> Prelude.Maybe 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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