File Coverage

/usr/include/c++/5/initializer_list
Criterion Covered Total %
statement 3 3 100.0
branch n/a
condition n/a
subroutine n/a
pod n/a
total 3 3 100.0


line stmt bran cond sub pod time code
1             // std::initializer_list support -*- C++ -*-
2              
3             // Copyright (C) 2008-2015 Free Software Foundation, Inc.
4             //
5             // This file is part of GCC.
6             //
7             // GCC is free software; you can redistribute it and/or modify
8             // it under the terms of the GNU General Public License as published by
9             // the Free Software Foundation; either version 3, or (at your option)
10             // any later version.
11             //
12             // GCC is distributed in the hope that it will be useful,
13             // but WITHOUT ANY WARRANTY; without even the implied warranty of
14             // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15             // GNU General Public License for more details.
16             //
17             // Under Section 7 of GPL version 3, you are granted additional
18             // permissions described in the GCC Runtime Library Exception, version
19             // 3.1, as published by the Free Software Foundation.
20              
21             // You should have received a copy of the GNU General Public License and
22             // a copy of the GCC Runtime Library Exception along with this program;
23             // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24             // <http://www.gnu.org/licenses/>.
25              
26             /** @file initializer_list
27             * This is a Standard C++ Library header.
28             */
29              
30             #ifndef _INITIALIZER_LIST
31             #define _INITIALIZER_LIST
32              
33             #pragma GCC system_header
34              
35             #if __cplusplus < 201103L
36             # include <bits/c++0x_warning.h>
37             #else // C++0x
38              
39             #pragma GCC visibility push(default)
40              
41             #include <bits/c++config.h>
42              
43             namespace std
44             {
45             /// initializer_list
46             template<class _E>
47             class initializer_list
48             {
49             public:
50             typedef _E value_type;
51             typedef const _E& reference;
52             typedef const _E& const_reference;
53             typedef size_t size_type;
54             typedef const _E* iterator;
55             typedef const _E* const_iterator;
56              
57             private:
58             iterator _M_array;
59             size_type _M_len;
60              
61             // The compiler can call a private constructor.
62             constexpr initializer_list(const_iterator __a, size_type __l)
63             : _M_array(__a), _M_len(__l) { }
64              
65             public:
66             constexpr initializer_list() noexcept
67             : _M_array(0), _M_len(0) { }
68              
69             // Number of elements.
70             constexpr size_type
71 1868           size() const noexcept { return _M_len; }
72              
73             // First element.
74             constexpr const_iterator
75 3736           begin() const noexcept { return _M_array; }
76              
77             // One past the last element.
78             constexpr const_iterator
79 1868           end() const noexcept { return begin() + size(); }
80             };
81              
82             /**
83             * @brief Return an iterator pointing to the first element of
84             * the initializer_list.
85             * @param __ils Initializer list.
86             */
87             template<class _Tp>
88             constexpr const _Tp*
89             begin(initializer_list<_Tp> __ils) noexcept
90             { return __ils.begin(); }
91              
92             /**
93             * @brief Return an iterator pointing to one past the last element
94             * of the initializer_list.
95             * @param __ils Initializer list.
96             */
97             template<class _Tp>
98             constexpr const _Tp*
99             end(initializer_list<_Tp> __ils) noexcept
100             { return __ils.end(); }
101             }
102              
103             #pragma GCC visibility pop
104              
105             #endif // C++11
106              
107             #endif // _INITIALIZER_LIST