note
	description: "Ancestor of SPECIAL to perform queries on SPECIAL without knowing its actual generic type."
	library: "Free implementation of ELKS library"
	status: "See notice at end of class."
	legal: "See notice at end of class."
	date: "$Date: 2017-04-15 12:05:54 +0000 (Sat, 15 Apr 2017) $"
	revision: "$Revision: 100207 $"

deferred class interface
	ABSTRACT_SPECIAL

feature -- Measurement

	count: INTEGER_32
			-- Count of special area.
		ensure
			count_non_negative: Result >= 0

	capacity: INTEGER_32
			-- Capacity of special area.
		ensure
			count_non_negative: Result >= 0
	
feature -- Status report

	valid_index (i: INTEGER_32): BOOLEAN
			-- Is i within the bounds of Current?
	
feature -- Output

	debug_output: STRING_8
			-- String that should be displayed in debugger to represent Current.
	
invariant
	count_less_than_capacity: count <= capacity

note
	copyright: "Copyright (c) 1984-2017, 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 ABSTRACT_SPECIAL

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