indexing description: "Linkable cells containing a reference to their right neighbor" names: linkable, cell representation: linked contents: generic class interface LINKABLE [G] feature -- Access right: like Current -- Right neighbor feature {ANY} -- Access item: G -- Content of cell. -- (from CELL) feature -- Element change replace (v: like item) -- Make v the cell's item. -- Was declared in CELL as synonym of put and replace. -- (from CELL) ensure -- from CELL item_inserted: item = v invariant -- from GENERAL reflexive_equality: standard_is_equal (Current); reflexive_conformance: conforms_to (Current); end -- class LINKABLE