This language feature is available from Ada 95 on.Category:Book:Ada Programming/Ada 95 feature#Ada.Finalization Ada.Finalization is a unit of the Predefined Language Environment since Ada 95.

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Specification

--                     Standard Ada library specification
--   Copyright (c) 2003-2018 Maxim Reznik <reznikmm@gmail.com>
--   Copyright (c) 2004-2016 AXE Consultants
--   Copyright (c) 2004, 2005, 2006 Ada-Europe
--   Copyright (c) 2000 The MITRE Corporation, Inc.
--   Copyright (c) 1992, 1993, 1994, 1995 Intermetrics, Inc.
--   SPDX-License-Identifier: BSD-3-Clause and LicenseRef-AdaReferenceManual
-- -------------------------------------------------------------------------

package Ada.Finalization is
   pragma Preelaborate (Finalization);
   pragma Remote_Types (Finalization);

   type Controlled is abstract tagged private;
   pragma Preelaborable_Initialization (Controlled);

   procedure Initialize  (Object : in out Controlled) is null;
   procedure Adjust      (Object : in out Controlled) is null;
   procedure Finalize    (Object : in out Controlled) is null;

   type Limited_Controlled is abstract tagged limited private;
   pragma Preelaborable_Initialization (Limited_Controlled);

   procedure Initialize  (Object : in out Limited_Controlled) is null;
   procedure Finalize    (Object : in out Limited_Controlled) is null;

private

   pragma Import (Ada, Controlled);
   pragma Import (Ada, Limited_Controlled);

end Ada.Category:Book:Ada Programming/Pages containing deprecated templatesFinalization;

See also