PMDK C++ bindings 1.2.0
This is the C++ bindings documentation for PMDK's libpmemobj.
array_traits.hpp
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1/*
2 * Copyright 2016-2017, Intel Corporation
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
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8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *
11 * * Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
14 * distribution.
15 *
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17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
38#ifndef LIBPMEMOBJ_ARRAY_TRAITS_HPP
39#define LIBPMEMOBJ_ARRAY_TRAITS_HPP
40
41#include <stddef.h>
42
43namespace pmem
44{
45
46namespace detail
47{
48
49/*
50 * Returns the number of array elements.
51 */
52template <typename T>
53struct pp_array_elems {
54 enum { elems = 1 };
55};
56
57/*
58 * Returns the number of array elements.
59 */
60template <typename T, size_t N>
61struct pp_array_elems<T[N]> {
62 enum { elems = N };
63};
64
65/*
66 * Returns the type of elements in an array.
67 */
68template <typename T>
69struct pp_array_type;
70
71/*
72 * Returns the type of elements in an array.
73 */
74template <typename T>
75struct pp_array_type<T[]> {
76 typedef T type;
77};
78
79/*
80 * Returns the type of elements in an array.
81 */
82template <typename T, size_t N>
83struct pp_array_type<T[N]> {
84 typedef T type;
85};
86
87} /* namespace detail */
88
89} /* namespace pmem */
90
91#endif /* LIBPMEMOBJ_ARRAY_TRAITS_HPP */