| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT LIBRARY COMPONENTS -- |
| -- -- |
| -- A D A . I T E R A T O R . I N T E R F A C E S -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- This specification is derived from the Ada Reference Manual for use with -- |
| -- GNAT. In accordance with the copyright of that document, you can freely -- |
| -- copy and modify this specification, provided that if you redistribute a -- |
| -- modified version, any changes that you have made are clearly indicated. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| generic |
| type Cursor; |
| with function Has_Element (Position : Cursor) return Boolean; |
| pragma Unreferenced (Has_Element); |
| |
| package Ada.Iterator_Interfaces is |
| pragma Pure; |
| |
| type Forward_Iterator is limited interface; |
| |
| function First |
| (Object : Forward_Iterator) return Cursor is abstract; |
| function Next |
| (Object : Forward_Iterator; |
| Position : Cursor) return Cursor is abstract; |
| |
| type Reversible_Iterator is limited interface and Forward_Iterator; |
| |
| function Last |
| (Object : Reversible_Iterator) return Cursor is abstract; |
| function Previous |
| (Object : Reversible_Iterator; |
| Position : Cursor) return Cursor is abstract; |
| end Ada.Iterator_Interfaces; |
