note
	description: "[
		Sequential lists where the cells are sorted in ascending order
		according to the relational operators of PART_COMPARABLE
	]"
	library: "Free implementation of ELKS library"
	legal: "See notice at end of class."
	status: "See notice at end of class."
	names: sorted_list, sorted_struct, sequence
	access: index, cursor, membership, min, max
	contents: generic
	date: "$Date: 2012-07-23 21:02:19 +0000 (Mon, 23 Jul 2012) $"
	revision: "$Revision: 91989 $"

deferred class 
	SORTED_LIST [G -> COMPARABLE]

inherit
	PART_SORTED_LIST [G]

feature -- Measurement

	min: like item
			-- Minimum item
		require
			not_empty: not is_empty
		do
			Result := first
		ensure
			min_is_first: Result = first
		end

	max: like item
			-- Maximum item
		require
			not_empty: not is_empty
		do
			Result := last
		ensure
			max_is_last: Result = last
		end

	median: like item
			-- Median item
		require
			not_empty: not is_empty
		do
			Result := i_th ((count + 1) // 2)
		ensure
			median_definition: Result = i_th ((count + 1) // 2)
		end
	
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 SORTED_LIST

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