Iteration through treeThis is a discussion on Iteration through tree within the Eiffel forums in Programming Languages category; How can I use the iteration mechanism to iterate through a tree? Is CURSOR_TREE_ITERATOR the right class? The following does not compile because iterator expects the type CURSOR_TREE [BINARY_SEARCH_TREE [INTEGER_32]]. class APPLICATION create make feature -- Initialization make is -- Run application. local tree: BINARY_SEARCH_TREE [INTEGER] iterator: CURSOR_TREE_ITERATOR BINARY_SEARCH_TREE [INTEGER]] do create tree.make (500) tree.put (400) tree.put (600) create iterator iterator.set (tree) end end -- class APPLICATION There must be a simple solution without requiring the client programmer to build his own class inheriting from the deferred class CURSOR_TREE, isn't it? Thx... | ||||||||
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10-28-2007, 01:40 PM
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 Iteration through tree How can I use the iteration mechanism to iterate through a tree? Is CURSOR_TREE_ITERATOR the right class? The following does not compile because iterator expects the type CURSOR_TREE [BINARY_SEARCH_TREE [INTEGER_32]]. class APPLICATION create make feature -- Initialization make is -- Run application. local tree: BINARY_SEARCH_TREE [INTEGER] iterator: CURSOR_TREE_ITERATOR BINARY_SEARCH_TREE [INTEGER]] do create tree.make (500) tree.put (400) tree.put (600) create iterator iterator.set (tree) end end -- class APPLICATION There must be a simple solution without requiring the client programmer to build his own class inheriting from the deferred class CURSOR_TREE, isn't it? Thx  |
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