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definition:
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getTreesNodeName :: Int -> [Tree _] -> String
getTreesNodeName _ [] = error "getTreesNodeName: nothing selected" -- should not occur
getTreesNodeName n (Leaf name _ : trees) =
if n==0 then name
else getTreesNodeName (n-1) trees
getTreesNodeName n (Node t v subtrees : trees) =
if n==0 then t
else let l = length (tree2strings 0 (Node t v subtrees)) in
if n < l
then getTreesNodeName (n-1) subtrees
else getTreesNodeName (n-l) trees
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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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-- get name of selected node in the tree list:
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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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getTreesNodeName
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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 -> [Tree a] -> 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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