first
Move cursor to first item. Returns self.
goto(aKey)
Move cursor to the specified key or nearest preceeding key. Returns self
key
Returns the current cursor key, or nil if the cursor is out of range.
last
Move cursor to last item. Returns self.
next
Move cursor to next item. Returns self.
previous
Move cursor to previous item. Returns self.
value
Returns the current cursor key, or nil if the cursor is out of range.
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