1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
// Copyright (c) 2020 GeometryFactory (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL: https://github.com/CGAL/cgal/blob/v6.1/STL_Extension/include/CGAL/Single.h $
// $Id: include/CGAL/Single.h b26b07a1242 $
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
// Author(s) : Simon Giraudot
#ifndef CGAL_SINGLE_H
#define CGAL_SINGLE_H
namespace CGAL
{
// Class to create a range of one single element
template <typename T>
class Single
{
public:
typedef T* iterator;
typedef T* const_iterator;
typedef std::size_t size_type;
private:
T& t;
public:
Single (T& t) : t(t) { }
iterator begin() const { return &t; }
iterator end() const { return &t + 1; }
constexpr size_type size() const { return 1; }
constexpr bool empty() const { return false; }
};
template <typename T>
Single<const T> make_single (const T& t)
{
return Single<const T>(t);
}
template <typename T>
Single<T> make_single (T& t)
{
return Single<T>(t);
}
}
#endif // CGAL_SINGLE_H
|
