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Address Ameba issue
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1 changed files with 10 additions and 15 deletions
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@ -18,10 +18,9 @@ module Spectator
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# Retrieves the next `Node`.
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# Retrieves the next `Node`.
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# If there are none left, then `Iterator::Stop` is returned.
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# If there are none left, then `Iterator::Stop` is returned.
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def next
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def next
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# Keep going until either:
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# Nothing left to iterate.
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# a. a node is found.
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return stop if @stack.empty?
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# b. the stack is empty.
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until @stack.empty?
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# Retrieve the next node.
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# Retrieve the next node.
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node = @stack.pop
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node = @stack.pop
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@ -32,11 +31,7 @@ module Spectator
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end
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end
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# Return the current node.
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# Return the current node.
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return node
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node
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end
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# Nothing left to iterate.
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stop
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end
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end
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# Restart the iterator at the beginning.
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# Restart the iterator at the beginning.
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