Make it possible to move a cursor to a new position. In the current implementation of Layout and Cursor, this is a trivial operation, but if we switch to a B-tree based function layout, this involves navigating the tree.
Make it possible to move a cursor to a new position. In the current implementation of Layout and Cursor, this is a trivial operation, but if we switch to a B-tree based function layout, this involves navigating the tree.