note
	description: "[
		Sequential, dynamically modifiable lists,
		without commitment to a particular representation
	]"
	library: "Free implementation of ELKS library"
	legal: "See notice at end of class."
	status: "See notice at end of class."
	names: dynamic_list, sequence
	access: index, cursor, membership
	contents: generic
	date: "$Date: 2018-12-15 18:06:16 +0000 (Sat, 15 Dec 2018) $"
	revision: "$Revision: 102608 $"

deferred class interface
	DYNAMIC_LIST [G]

feature -- Element change

	put_left (v: like item)
			-- Add v to the left of cursor position.
			-- Do not move cursor.

	put_right (v: like item)
			-- Add v to the right of cursor position.
			-- Do not move cursor.

	merge_left (other: like Current)
			-- Merge other into current structure before cursor
			-- position. Do not move cursor. Empty other.

	merge_right (other: like Current)
			-- Merge other into current structure after cursor
			-- position. Do not move cursor. Empty other.
	
feature -- Removal

	remove
			-- Remove current item.
			-- Move cursor to right neighbor
			-- (or after if no right neighbor).
		ensure then
			after_when_empty: is_empty implies after

	remove_left
			-- Remove item to the left of cursor position.
			-- Do not move cursor.

	remove_right
			-- Remove item to the right of cursor position.
			-- Do not move cursor.

	wipe_out
			-- Remove all items.
		ensure then
			is_before: before
	
note
	copyright: "Copyright (c) 1984-2018, 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 DYNAMIC_LIST

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