Automatic generation produced by ISE Eiffel
note description: "[ Subsets that are traversable linearly without commitment to a concrete implementation. ]" library: "Free implementation of ELKS library" legal: "See notice at end of class." status: "See notice at end of class." names: linear_subset, subset, set access: membership contents: generic date: "$Date: 2012-07-23 14:02:19 -0700 (Mon, 23 Jul 2012) $" revision: "$Revision: 91989 $" deferred class interface LINEAR_SUBSET [G] feature -- Access index: INTEGER_32 -- Current index feature -- Status report before: BOOLEAN -- Is cursor at left from first item? islast: BOOLEAN -- Is cursor at last item? valid_index (n: INTEGER_32): BOOLEAN -- Is `n' a valid index? ensure index_valid: 0 <= n and n <= count + 1 feature -- Cursor movement go_i_th (i: INTEGER_32) -- Move cursor to `i'-th item. require valid_index: valid_index (i) ensure cursor_moved: index = i feature -- Element change put_left (v: G) -- Insert `v' before the cursor. require item_exists: v /= Void not_before: not before ensure cursor_position_unchanged: index = old index + 1 move_item (v: G) -- Move `v' to the left of cursor. require item_exists: v /= Void item_in_set: has (v) invariant before_definition: before = (index = 0) note copyright: "Copyright (c) 1984-2012, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" source: "[ Eiffel Software 5949 Hollister Ave., Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end -- class LINEAR_SUBSET -- Generated by ISE Eiffel --
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