blob: 7a177d85e9f07f1a6512406638cb46fba63e4e9c (
plain) (
blame)
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
60
61
62
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___ALGORITHM_RANGES_FILL_H
#define _LIBCPP___ALGORITHM_RANGES_FILL_H
#include <__algorithm/ranges_fill_n.h>
#include <__config>
#include <__iterator/concepts.h>
#include <__ranges/access.h>
#include <__ranges/concepts.h>
#include <__ranges/dangling.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_PUSH_MACROS
#include <__undef_macros>
#if _LIBCPP_STD_VER >= 20
_LIBCPP_BEGIN_NAMESPACE_STD
namespace ranges {
namespace __fill {
struct __fn {
template <class _Type, output_iterator<const _Type&> _Iter, sentinel_for<_Iter> _Sent>
_LIBCPP_HIDE_FROM_ABI constexpr _Iter operator()(_Iter __first, _Sent __last, const _Type& __value) const {
if constexpr (random_access_iterator<_Iter> && sized_sentinel_for<_Sent, _Iter>) {
return ranges::fill_n(__first, __last - __first, __value);
} else {
for (; __first != __last; ++__first)
*__first = __value;
return __first;
}
}
template <class _Type, output_range<const _Type&> _Range>
_LIBCPP_HIDE_FROM_ABI constexpr borrowed_iterator_t<_Range> operator()(_Range&& __range, const _Type& __value) const {
return (*this)(ranges::begin(__range), ranges::end(__range), __value);
}
};
} // namespace __fill
inline namespace __cpo {
inline constexpr auto fill = __fill::__fn{};
} // namespace __cpo
} // namespace ranges
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STD_VER >= 20
_LIBCPP_POP_MACROS
#endif // _LIBCPP___ALGORITHM_RANGES_FILL_H
|
