note description: "References to special objects, for direct access to arrays and strings" legal: "See notice at end of class." status: "See notice at end of class." date: "$Date$" revision: "$Revision$" class TO_SPECIAL [T] create make_area feature -- Access area: SPECIAL [T] -- Special data zone feature {NONE} -- Initialization make_area (n: INTEGER) -- Creates a special object for `n' entries. require non_negative_argument: n >= 0 do create area.make (n) ensure area_allocated: area /= Void and then area.count = n end feature -- Access item alias "[]", infix "@" (i: INTEGER): T assign put -- Entry at index `i', if in index interval require valid_index: valid_index (i) do Result := area.item (i) end feature -- Status report valid_index (i: INTEGER): BOOLEAN -- Is `i' within the bounds of Current? do Result := (0 <= i) and then (i < area.count) end feature -- Element change put (v: T; i: INTEGER) -- Replace `i'-th entry, if in index interval, by `v'. require valid_index: valid_index (i) do area.put (v, i) ensure inserted: item (i) = v end feature {NONE} -- Element change set_area (other: like area) -- Make `other' the new `area' do area := other end note library: "EiffelBase: Library of reusable components for Eiffel." copyright: "Copyright (c) 1984-2006, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" source: "[ Eiffel Software 356 Storke Road, 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 TO_SPECIAL