close
Closes the database.
first
Move cursor to first record. Returns self
jump(key)
Move cursor to record before key. Returns self
key
Returns current cursor key or nil.
last
Move cursor to last record. Returns self
next
Move cursor to next record. Returns true if there is another key,
or false if there is no next record.
previous
Move cursor to previous record. Returns true if there is another key,
or false if there is no previous record.
put(value)
Sets the value at the current cursor postion. Returns self.
remove
Removes the current cursor postion. Returns self.
value
Returns current cursor value or nil.
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