Skip to content

Commit debf1bd

Browse files
faithandbravefaithandbrave
committed
C++26対応として、標準ライブラリのnodiscard指定を削除 (close #1386)
1 parent 15399ca commit debf1bd

File tree

58 files changed

+405
-76
lines changed

Some content is hidden

Large Commits have some content hidden by default. Use the searchbox below for content that may be hidden.

58 files changed

+405
-76
lines changed

Diff for: ‎reference/array/array/empty.md

+4
Original file line numberDiff line numberDiff line change
@@ -9,6 +9,7 @@
99
constexpr bool empty() noexcept; // C++11
1010
constexpr bool empty() const noexcept; // C++14
1111
[[nodiscard]] constexpr bool empty() const noexcept; // C++20
12+
constexpr bool empty() const noexcept; // C++26
1213
```
1314

1415
## 概要
@@ -68,3 +69,6 @@ empty_array : true
6869
## 参照
6970
- [N3669 Fixing constexpr member functions without const](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3669.pdf)
7071
- [P0600R1 `[[nodiscard]]` in the Library](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0600r1.pdf)
72+
- C++20で`[[nodiscard]]`が付加された
73+
- [P2422R1 Remove `nodiscard` annotations from the standard library specification](https://open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2422r1.html)
74+
- C++26で`[[nodiscard]]`指定が削除された

Diff for: ‎reference/barrier/barrier/arrive.md

+8-1
Original file line numberDiff line numberDiff line change
@@ -6,7 +6,9 @@
66
* cpp20[meta cpp]
77

88
```cpp
9-
[[nodiscard]] arrival_token arrive(ptrdiff_t update = 1);
9+
[[nodiscard]]
10+
arrival_token arrive(ptrdiff_t update = 1); // (1) C++20
11+
arrival_token arrive(ptrdiff_t update = 1); // (1) C++26
1012
```
1113
* ptrdiff_t[link /reference/cstddef/ptrdiff_t.md]
1214
@@ -121,3 +123,8 @@ main: phase-2
121123
- [`wait()`](wait.md)
122124
- [`arrive_and_wait()`](arrive_and_wait.md)
123125
- [`arrive_and_drop()`](arrive_and_drop.md)
126+
127+
128+
## 参照
129+
- [P2422R1 Remove `nodiscard` annotations from the standard library specification](https://open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2422r1.html)
130+
- C++26で`[[nodiscard]]`指定が削除された

Diff for: ‎reference/bit/rotl.md

+6-1
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,10 @@
77
```cpp
88
namespace std {
99
template <class T>
10-
[[nodiscard]] constexpr T rotl(T x, int s) noexcept;
10+
[[nodiscard]]
11+
constexpr T rotl(T x, int s) noexcept; // (1) C++20
12+
template <class T>
13+
constexpr T rotl(T x, int s) noexcept; // (1) C++26
1114
}
1215
```
1316
@@ -73,3 +76,5 @@ int main()
7376

7477
## 参照
7578
- [P0553R4 Bit operations](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0553r4.html)
79+
- [P2422R1 Remove `nodiscard` annotations from the standard library specification](https://open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2422r1.html)
80+
- C++26で`[[nodiscard]]`指定が削除された

Diff for: ‎reference/bit/rotr.md

+6-1
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,10 @@
77
```cpp
88
namespace std {
99
template <class T>
10-
[[nodiscard]] constexpr T rotr(T x, int s) noexcept;
10+
[[nodiscard]]
11+
constexpr T rotr(T x, int s) noexcept; // (1) C++20
12+
template <class T>
13+
constexpr T rotr(T x, int s) noexcept; // (1) C++26
1114
}
1215
```
1316
@@ -73,3 +76,5 @@ int main()
7376

7477
## 参照
7578
- [P0553R4 Bit operations](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0553r4.html)
79+
- [P2422R1 Remove `nodiscard` annotations from the standard library specification](https://open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2422r1.html)
80+
- C++26で`[[nodiscard]]`指定が削除された

Diff for: ‎reference/deque/deque/empty.md

+4
Original file line numberDiff line numberDiff line change
@@ -8,6 +8,7 @@
88
bool empty() const; // C++03
99
bool empty() const noexcept; // C++11
1010
[[nodiscard]] bool empty() const noexcept; // C++20
11+
bool empty() const noexcept; // C++26
1112
```
1213

1314
## 概要
@@ -66,3 +67,6 @@ false
6667

6768
## 参照
6869
- [P0600R1 `[[nodiscard]]` in the Library](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0600r1.pdf)
70+
- C++20で`[[nodiscard]]`が付加された
71+
- [P2422R1 Remove `nodiscard` annotations from the standard library specification](https://open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2422r1.html)
72+
- C++26で`[[nodiscard]]`指定が削除された

Diff for: ‎reference/filesystem/path/empty.md

+4
Original file line numberDiff line numberDiff line change
@@ -8,6 +8,7 @@
88
```cpp
99
bool empty() const noexcept; // C++17
1010
[[nodiscard]] bool empty() const noexcept; // C++20
11+
bool empty() const noexcept; // C++26
1112
```
1213

1314
## 概要
@@ -58,3 +59,6 @@ p2 : not empty
5859

5960
## 参照
6061
- [P0600R1 `[[nodiscard]]` in the Library](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0600r1.pdf)
62+
- C++20で`[[nodiscard]]`が付加された
63+
- [P2422R1 Remove `nodiscard` annotations from the standard library specification](https://open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2422r1.html)
64+
- C++26で`[[nodiscard]]`指定が削除された

Diff for: ‎reference/forward_list/forward_list/empty.md

+4
Original file line numberDiff line numberDiff line change
@@ -8,6 +8,7 @@
88
```cpp
99
bool empty() const noexcept; // C++11
1010
[[nodiscard]] bool empty() const noexcept; // C++20
11+
bool empty() const noexcept; // C++26
1112
```
1213

1314
## 概要
@@ -68,3 +69,6 @@ false
6869

6970
## 参照
7071
- [P0600R1 `[[nodiscard]]` in the Library](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0600r1.pdf)
72+
- C++20で`[[nodiscard]]`が付加された
73+
- [P2422R1 Remove `nodiscard` annotations from the standard library specification](https://open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2422r1.html)
74+
- C++26で`[[nodiscard]]`指定が削除された

Diff for: ‎reference/future/async.md

+11-8
Original file line numberDiff line numberDiff line change
@@ -9,41 +9,41 @@ namespace std {
99
template <class F, class... Args>
1010
future<typename result_of<F(Args...)>::type>
1111
async(F&& f, Args&&... args); // (1) C++11
12-
1312
template <class F, class... Args>
1413
future<
1514
typename result_of<
1615
typename decay<F>::type(typename decay<Args>::type...)
1716
>::type
1817
> async(F&& f, Args&&... args); // (1) C++14
19-
2018
template <class F, class... Args>
2119
future<invoke_result_t<decay_t<F>, decay_t<Args>...>>
2220
async(F&& f, Args&&... args); // (1) C++17
23-
2421
template <class F, class... Args>
25-
[[nodiscard]] future<invoke_result_t<decay_t<F>, decay_t<Args>...>>
22+
[[nodiscard]]
23+
future<invoke_result_t<decay_t<F>, decay_t<Args>...>>
2624
async(F&& f, Args&&... args); // (1) C++20
25+
future<invoke_result_t<decay_t<F>, decay_t<Args>...>>
26+
async(F&& f, Args&&... args); // (1) C++26
2727

2828

2929
template <class F, class... Args>
3030
future<typename result_of<F(Args...)>::type>
3131
async(launch policy, F&& f, Args&&... args); // (2) C++11
32-
3332
template <class F, class... Args>
3433
future<
3534
typename result_of<
3635
typename decay<F>::type(typename decay<Args>::type...)
3736
>::type
3837
> async(launch policy, F&& f, Args&&... args); // (2) C++14
39-
4038
template <class F, class... Args>
4139
future<invoke_result_t<decay_t<F>, decay_t<Args>...>>
4240
async(launch policy, F&& f, Args&&... args); // (2) C++17
43-
4441
template <class F, class... Args>
45-
[[nodiscard]] future<invoke_result_t<decay_t<F>, decay_t<Args>...>>
42+
[[nodiscard]]
43+
future<invoke_result_t<decay_t<F>, decay_t<Args>...>>
4644
async(launch policy, F&& f, Args&&... args); // (2) C++20
45+
future<invoke_result_t<decay_t<F>, decay_t<Args>...>>
46+
async(launch policy, F&& f, Args&&... args); // (2) C++26
4747
}
4848
```
4949
* future[link future.md]
@@ -203,5 +203,8 @@ foo() = 3
203203
- [async関数launch::asyncポリシーとfutureのちょっと特殊な動作 - yohhoyの日記](https://yohhoy.hatenadiary.jp/entry/20120317/p1)
204204
- [P0604R0 Resolving GB 55, US 84, US 85, US 86](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0604r0.html)
205205
- [P0600R1 `[[nodiscard]]` in the Library, Rev1](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0600r1.pdf)
206+
- C++20で`[[nodiscard]]`が付加された
206207
- [In Visual Studio, `thread_local` variables' destructor not called when used with `std::async`, is this a bug? - stackoverflow](https://stackoverflow.com/questions/50897768/in-visual-studio-thread-local-variables-destructor-not-called-when-used-with)
207208
- [&lt;future&gt; functions - Microsoft Docs](https://docs.microsoft.com/en-us/cpp/standard-library/future-functions?view=vs-2019#remarks)
209+
- [P2422R1 Remove `nodiscard` annotations from the standard library specification](https://open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2422r1.html)
210+
- C++26で`[[nodiscard]]`指定が削除された

Diff for: ‎reference/iterator/empty.md

+9-3
Original file line numberDiff line numberDiff line change
@@ -8,21 +8,24 @@
88
namespace std {
99
template <class C>
1010
constexpr auto empty(const C& c) -> decltype(c.empty()); // (1) C++17
11-
1211
template <class C>
1312
[[nodiscard]] constexpr auto empty(const C& c) -> decltype(c.empty()); // (1) C++20
13+
template <class C>
14+
constexpr auto empty(const C& c) -> decltype(c.empty()); // (1) C++26
1415

1516
template <class T, std::size_t N>
1617
constexpr bool empty(const T (&array)[N]) noexcept; // (2) C++17
17-
1818
template <class T, std::size_t N>
1919
[[nodiscard]] constexpr bool empty(const T (&array)[N]) noexcept; // (2) C++20
20+
template <class T, std::size_t N>
21+
constexpr bool empty(const T (&array)[N]) noexcept; // (2) C++26
2022

2123
template <class E>
2224
constexpr bool empty(initializer_list<E> il) noexcept; // (3) C++17
23-
2425
template <class E>
2526
[[nodiscard]] constexpr bool empty(initializer_list<E> il) noexcept; // (3) C++20
27+
template <class E>
28+
constexpr bool empty(initializer_list<E> il) noexcept; // (3) C++26
2629
}
2730
```
2831
* initializer_list[link /reference/initializer_list/initializer_list.md]
@@ -102,4 +105,7 @@ false
102105
- [`boost::empty()` - Boost Range Library](http://www.boost.org/doc/libs/release/libs/range/doc/html/range/reference/concept_implementation/semantics/functions.html)
103106
- [N4280: Non-member `empty()` and more (Revision 2)](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4280.pdf)
104107
- [P0600R1: `[[nodiscard]]` in the library](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0600r1.pdf)
108+
- C++20で`[[nodiscard]]`が付加された
105109
- [LWG Issue 3009. Including `<string_view>` doesn't provide `std::size/empty/data`](https://wg21.cmeerw.net/lwg/issue3009)
110+
- [P2422R1 Remove `nodiscard` annotations from the standard library specification](https://open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2422r1.html)
111+
- C++26で`[[nodiscard]]`指定が削除された

Diff for: ‎reference/list/list/empty.md

+4
Original file line numberDiff line numberDiff line change
@@ -8,6 +8,7 @@
88
bool empty() const; // C++03
99
bool empty() const noexcept; // C++11
1010
[[nodiscard]] bool empty() const noexcept; // C++20
11+
bool empty() const noexcept; // C++26
1112
```
1213

1314
## 概要
@@ -57,3 +58,6 @@ false
5758

5859
## 参照
5960
- [P0600R1 `[[nodiscard]]` in the Library](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0600r1.pdf)
61+
- C++20で`[[nodiscard]]`が付加された
62+
- [P2422R1 Remove `nodiscard` annotations from the standard library specification](https://open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2422r1.html)
63+
- C++26で`[[nodiscard]]`指定が削除された

Diff for: ‎reference/map/map/empty.md

+4
Original file line numberDiff line numberDiff line change
@@ -8,6 +8,7 @@
88
bool empty() const; // C++03
99
bool empty() const noexcept; // C++11
1010
[[nodiscard]] bool empty() const noexcept; // C++20
11+
bool empty() const noexcept; // C++26
1112
```
1213

1314
## 概要
@@ -62,3 +63,6 @@ int main ()
6263

6364
## 参照
6465
- [P0600R1 `[[nodiscard]]` in the Library](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0600r1.pdf)
66+
- C++20で`[[nodiscard]]`が付加された
67+
- [P2422R1 Remove `nodiscard` annotations from the standard library specification](https://open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2422r1.html)
68+
- C++26で`[[nodiscard]]`指定が削除された

Diff for: ‎reference/map/multimap/empty.md

+4
Original file line numberDiff line numberDiff line change
@@ -8,6 +8,7 @@
88
bool empty() const; // C++03
99
bool empty() const noexcept; // C++11
1010
[[nodiscard]] bool empty() const noexcept; // C++20
11+
bool empty() const noexcept; // C++26
1112
```
1213

1314
## 概要
@@ -62,3 +63,6 @@ int main ()
6263

6364
## 参照
6465
- [P0600R1 `[[nodiscard]]` in the Library](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0600r1.pdf)
66+
- C++20で`[[nodiscard]]`が付加された
67+
- [P2422R1 Remove `nodiscard` annotations from the standard library specification](https://open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2422r1.html)
68+
- C++26で`[[nodiscard]]`指定が削除された

Diff for: ‎reference/memory/allocator/allocate.md

+7-2
Original file line numberDiff line numberDiff line change
@@ -5,8 +5,9 @@
55
* function[meta id-type]
66

77
```cpp
8-
pointer allocate(size_type n); // (1) C++17 まで
9-
[[nodiscard]] constexpr pointer allocate(size_type n); // (1) C++20 から
8+
pointer allocate(size_type n); // (1) C++03
9+
[[nodiscard]] constexpr pointer allocate(size_type n); // (1) C++20
10+
constexpr pointer allocate(size_type n); // (1) C++26
1011

1112
pointer allocate(size_type n,
1213
allocator<void>::const_pointer hint); // (2) C++17 から非推奨、C++20 から削除
@@ -66,5 +67,9 @@ int main()
6667
## 参照
6768
- [P0174R2 Deprecating Vestigial Library Parts in C++17](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0174r2.html)
6869
- [P0600R1 `[[nodiscard]]` in the Library](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0600r1.pdf)
70+
- C++20で`[[nodiscard]]`が付加された
6971
- [P0619R4 Reviewing deprecated facilities of C++17 for C++20](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0619r4.html)
7072
- [P0784R7 More constexpr containers](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0784r7.html)
73+
- C++20で`constexpr`が付加された
74+
- [P2422R1 Remove `nodiscard` annotations from the standard library specification](https://open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2422r1.html)
75+
- C++26で`[[nodiscard]]`指定が削除された

Diff for: ‎reference/memory/allocator_traits/allocate.md

+22-7
Original file line numberDiff line numberDiff line change
@@ -6,13 +6,24 @@
66
* cpp11[meta cpp]
77

88
```cpp
9-
static pointer allocate(Alloc& a, size_type n); // (1) C++17 まで
10-
[[nodiscard]] static constexpr pointer allocate(Alloc& a, size_type n); // (1) C++20 から
11-
12-
static pointer allocate(Alloc& a, size_type n,
13-
const_void_pointer hint); // (2) C++17 まで
14-
[[nodiscard]] static constexpr pointer allocate(Alloc& a, size_type n,
15-
const_void_pointer hint); // (2) C++20 から
9+
static pointer
10+
allocate(Alloc& a, size_type n); // (1) C++11
11+
[[nodiscard]]
12+
static constexpr pointer
13+
allocate(Alloc& a, size_type n); // (1) C++20
14+
static constexpr pointer
15+
allocate(Alloc& a, size_type n); // (1) C++26
16+
17+
static pointer
18+
allocate(Alloc& a, size_type n,
19+
const_void_pointer hint); // (2) C++11
20+
[[nodiscard]]
21+
static constexpr pointer
22+
allocate(Alloc& a, size_type n,
23+
const_void_pointer hint); // (2) C++20
24+
static constexpr pointer
25+
allocate(Alloc& a, size_type n,
26+
const_void_pointer hint); // (2) C++26
1627
```
1728
1829
## 概要
@@ -62,4 +73,8 @@ int main()
6273

6374
## 参照
6475
- [P0600R1 `[[nodiscard]]` in the Library](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0600r1.pdf)
76+
- C++20で`[[nodiscard]]`が付加された
6577
- [P0784R7 More constexpr containers](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0784r7.html)
78+
- C++20で`constexpr`が付加された
79+
- [P2422R1 Remove `nodiscard` annotations from the standard library specification](https://open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2422r1.html)
80+
- C++26で`[[nodiscard]]`指定が削除された

Diff for: ‎reference/memory/allocator_traits/allocate_at_least.md

+7-1
Original file line numberDiff line numberDiff line change
@@ -6,9 +6,13 @@
66
* cpp23[meta cpp]
77

88
```cpp
9-
[[nodiscard] static constexpr
9+
[[nodiscard]
10+
static constexpr
1011
allocation_result<pointer, size_type>
1112
allocate_at_least(Alloc& a, size_type n); // (1) C++23
13+
static constexpr
14+
allocation_result<pointer, size_type>
15+
allocate_at_least(Alloc& a, size_type n); // (1) C++26
1216
```
1317
* allocation_result[link /reference/memory/allocation_result.md]
1418
@@ -66,3 +70,5 @@ allocation count:4 bytes:16
6670

6771
## 参照
6872
- [P0401R6 Providing size feedback in the Allocator interface](https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2021/p0401r6.html)
73+
- [P2422R1 Remove `nodiscard` annotations from the standard library specification](https://open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2422r1.html)
74+
- C++26で`[[nodiscard]]`指定が削除された

Diff for: ‎reference/memory/assume_aligned.md

+7-3
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,9 @@
77
```cpp
88
namespace std {
99
template <std::size_t N, class T>
10-
[[nodiscard]] constexpr T* assume_aligned(T* ptr);
10+
[[nodiscard]] constexpr T* assume_aligned(T* ptr); // (1) C++20
11+
template <std::size_t N, class T>
12+
constexpr T* assume_aligned(T* ptr); // (1) C++26
1113
}
1214
```
1315
@@ -349,5 +351,7 @@ C++20 から標準で使用可能となる本機能だが、実装例からも
349351
350352
## 参照
351353
352-
- [P1007R3 std::assume_aligned](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1007r3.pdf)
353-
- [cppmap - C++20 の新機能 - ポインタのアライメントを最適化ヒントとしてコンパイラに伝える assume_aligned() 関数 (P1007R3)](https://cppmap.github.io/standardization/cpp20/#assume_aligned-p1007r3)
354+
- [P1007R3 `std::assume_aligned`](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1007r3.pdf)
355+
- [cppmap - C++20 の新機能 - ポインタのアライメントを最適化ヒントとしてコンパイラに伝える `assume_aligned()` 関数 (P1007R3)](https://cppmap.github.io/standardization/cpp20/#assume_aligned-p1007r3)
356+
- [P2422R1 Remove `nodiscard` annotations from the standard library specification](https://open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2422r1.html)
357+
- C++26で`[[nodiscard]]`指定が削除された

Diff for: ‎reference/memory_resource/memory_resource/allocate.md

+4-1
Original file line numberDiff line numberDiff line change
@@ -7,9 +7,9 @@
77

88
```cpp
99
void* allocate(size_t bytes, size_t alignment = alignof(max_align_t)); // (1) C++17
10-
1110
[[nodiscard]]
1211
void* allocate(size_t bytes, size_t alignment = alignof(max_align_t)); // (1) C++20
12+
void* allocate(size_t bytes, size_t alignment = alignof(max_align_t)); // (1) C++26
1313
```
1414
* size_t[link /reference/cstddef/size_t.md]
1515
* max_align_t[link /reference/cstddef/max_align_t.md]
@@ -86,4 +86,7 @@ int main(){
8686
- [P0337r0 | Delete operator= for polymorphic_allocator](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0337r0.html)
8787
- [Working Draft, C++ Extensions for Library Fundamentals, Version 2](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4562.html#memory.resource.synop)
8888
- [P0600R1 `[[nodiscard]]` in the Library, Rev1](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0600r1.pdf)
89+
- C++20で`[[nodiscard]]`が付加された
8990
- [LWG Issue 2843. Unclear behavior of `std::pmr::memory_resource::do_allocate()`](https://wg21.cmeerw.net/lwg/issue2843)
91+
- [P2422R1 Remove `nodiscard` annotations from the standard library specification](https://open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2422r1.html)
92+
- C++26で`[[nodiscard]]`指定が削除された

Diff for: ‎reference/memory_resource/polymorphic_allocator/allocate.md

+4
Original file line numberDiff line numberDiff line change
@@ -8,6 +8,7 @@
88
```cpp
99
Tp* allocate(std::size_t n); // (1) C++17
1010
[[nodiscard]] Tp* allocate(std::size_t n); // (1) C++20
11+
Tp* allocate(std::size_t n); // (1) C++26
1112
```
1213
1314
## 概要
@@ -91,4 +92,7 @@ int main()
9192
- [P0337r0 | Delete operator= for polymorphic_allocator](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0337r0.html)
9293
- [Working Draft, C++ Extensions for Library Fundamentals, Version 2](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4562.html#memory.resource.synop)
9394
- [P0600R1 `[[nodiscard]]` in the Library, Rev1](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0600r1.pdf)
95+
- C++20で`constexpr`が付加された
9496
- [LWG Issue 3038. `polymorphic_allocator::allocate` should not allow integer overflow to create vulnerabilities](https://wg21.cmeerw.net/lwg/issue3038)
97+
- [P2422R1 Remove `nodiscard` annotations from the standard library specification](https://open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2422r1.html)
98+
- C++26で`[[nodiscard]]`指定が削除された

0 commit comments

Comments
 (0)