source: libcfa/src/iterator.hfa @ b12e4ad

Last change on this file since b12e4ad was 8a97248, checked in by Peter A. Buhr <pabuhr@…>, 22 months ago

switch from old trait syntax to new trait syntax using forall clause

  • Property mode set to 100644
File size: 1.5 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// iterator --
8//
9// Author           : Richard C. Bilson
10// Created On       : Wed May 27 17:56:53 2015
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Thu Feb  2 11:21:50 2023
13// Update Count     : 11
14//
15
16#pragma once
17
18// An iterator can be used to traverse a data structure.
19forall( iterator_type, elt_type )
20trait iterator {
21        // point to the next element
22//      iterator_type ?++( iterator_type & );
23        iterator_type ++?( iterator_type & );
24        iterator_type --?( iterator_type & );
25
26        // can be tested for equality with other iterators
27        int ?==?( iterator_type, iterator_type );
28        int ?!=?( iterator_type, iterator_type );
29
30        // dereference to get the pointed-at element
31        elt_type & *?( iterator_type );
32};
33
34forall( iterator_type, collection_type, elt_type | iterator( iterator_type, elt_type ) )
35        trait iterator_for {
36//      [ iterator_type begin, iterator_type end ] get_iterators( collection_type );
37        iterator_type begin( collection_type );
38        iterator_type end( collection_type );
39};
40
41forall( iterator_type, elt_type | iterator( iterator_type, elt_type ) )
42void for_each( iterator_type begin, iterator_type end, void (* func)( elt_type ) );
43
44forall( iterator_type, elt_type | iterator( iterator_type, elt_type ) )
45void for_each_reverse( iterator_type begin, iterator_type end, void (* func)( elt_type ) );
46
47// Local Variables: //
48// mode: c //
49// tab-width: 4 //
50// End: //
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