Reference documentation for deal.II version Git ede8f93e86 2020-12-03 14:59:20 -0700
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iota_view.h
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1 // ---------------------------------------------------------------------
2 //
3 // Copyright (C) 2020 by the deal.II authors
4 //
5 // This file is part of the deal.II library.
6 //
7 // The deal.II library is free software; you can use it, redistribute
8 // it, and/or modify it under the terms of the GNU Lesser General
9 // Public License as published by the Free Software Foundation; either
10 // version 2.1 of the License, or (at your option) any later version.
11 // The full text of the license can be found in the file LICENSE.md at
12 // the top level directory of deal.II.
13 //
14 // ---------------------------------------------------------------------
15 #ifndef dealii_cxx20_iota_view_h
16 #define dealii_cxx20_iota_view_h
17 
18 #include <deal.II/base/config.h>
19 
20 #ifdef DEAL_II_HAVE_CXX20
21 # include <ranges>
22 #else
23 # include <boost/range/irange.hpp>
24 #endif
25 
27 
28 namespace std_cxx20
29 {
30  namespace ranges
31  {
32 #ifndef DEAL_II_HAVE_CXX20
33 
45  template <typename IncrementableType, typename /*BoundType*/>
46  using iota_view = boost::integer_range<IncrementableType>;
47 #else
49 #endif
50  } // namespace ranges
51 } // namespace std_cxx20
52 
54 
55 #endif
Definition: c++.h:183
boost::integer_range< IncrementableType > iota_view
Definition: iota_view.h:46
#define DEAL_II_NAMESPACE_CLOSE
Definition: config.h:372
#define DEAL_II_NAMESPACE_OPEN
Definition: config.h:371