1 ------------------------------------------------------------------------------
3 -- GNAT LIBRARY COMPONENTS --
5 -- A D A . I T E R A T O R . I N T E R F A C E S --
9 -- Copyright (C) 2011, Free Software Foundation, Inc. --
11 -- This specification is derived from the Ada Reference Manual for use with --
12 -- GNAT. The copyright notice above, and the license provisions that follow --
13 -- apply solely to the contents of the part following the private keyword. --
15 -- GNAT is free software; you can redistribute it and/or modify it under --
16 -- terms of the GNU General Public License as published by the Free Soft- --
17 -- ware Foundation; either version 3, or (at your option) any later ver- --
18 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
19 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
20 -- or FITNESS FOR A PARTICULAR PURPOSE. --
22 -- As a special exception under Section 7 of GPL version 3, you are granted --
23 -- additional permissions described in the GCC Runtime Library Exception, --
24 -- version 3.1, as published by the Free Software Foundation. --
26 -- You should have received a copy of the GNU General Public License and --
27 -- a copy of the GCC Runtime Library Exception along with this program; --
28 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
29 -- <http://www.gnu.org/licenses/>. --
31 ------------------------------------------------------------------------------
34 type Cursor is private;
36 pragma Unreferenced (No_Element);
37 package Ada.Iterator_Interfaces is
38 type Forward_Iterator is limited interface;
39 function First (Object : Forward_Iterator) return Cursor is abstract;
40 function Next (Object : Forward_Iterator; Position : Cursor) return Cursor
42 type Reversible_Iterator is limited interface and Forward_Iterator;
43 function Last (Object : Reversible_Iterator) return Cursor is abstract;
44 function Previous (Object : Reversible_Iterator; Position : Cursor)
45 return Cursor is abstract;
46 end Ada.Iterator_Interfaces;