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------------------------------------------------------------------------------
-- Copyright (c) 2013, Natacha Porté --
-- Copyright (c) 2013-2014, Natacha Porté --
-- --
-- Permission to use, copy, modify, and distribute this software for any --
-- purpose with or without fee is hereby granted, provided that the above --
-- copyright notice and this permission notice appear in all copies. --
-- --
-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES --
-- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF --
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-- Copy the current atom in Object to Data.
-- Must only be called when current event in Object is Add_Event.
procedure Next
(Object : in out Descriptor;
Event : out Events.Event) is abstract;
-- Update Object to reflect the next event in the S-expression
procedure Next (Object : in out Descriptor'Class);
-- Call Next discarding current event
private
use type Ada.Streams.Stream_Element;
use type Ada.Streams.Stream_Element_Offset;
use type Ada.Streams.Stream_Element_Array;
use type Events.Event;
end Natools.S_Expressions;
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