note
	description: "[
		Values that may be hashed into an integer index, 
		for use as keys in hash tables
	]"
	library: "Free implementation of ELKS library"
	status: "See notice at end of class."
	legal: "See notice at end of class."
	date: "$Date: 2012-05-24 04:13:10 +0000 (Thu, 24 May 2012) $"
	revision: "$Revision: 91981 $"

deferred class 
	HASHABLE

feature -- Access

	hash_code: INTEGER_32
			-- Hash code value
		deferred
		ensure
			good_hash_value: Result >= 0
		end
	
feature -- Status report

	is_hashable: BOOLEAN
			-- May current object be hashed?
			-- (True by default.)
		do
			Result := True
		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 HASHABLE

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