indexing
	description:
		"Callback objects"

	status:	"See note at end of class"
	date: "$Date$"
	revision: "$Revision$"

class 
	CALLBACK

create
	
	-- Not for instantiaton

feature {NONE} -- Initialization

	make (r: like callback) is
			-- Create callback to `r'.
		require
			non_void_reference: r /= Void
		do
			set_callback (r)
		ensure
			reference_set: callback = r
		end
		
feature -- Status setting

	set_callback (r: like callback) is
			-- Set callback to `r'.
		require
			non_void_reference: r /= Void
		do
			callback := r
		ensure
			reference_set: callback = r
		end

feature {NONE} -- Implementation

	callback: ANY
			-- Reference to callback object

end -- class CALLBACK

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