``__cpp_lib_ranges`` *unimplemented*
------------------------------------------------- -----------------
``__cpp_lib_three_way_comparison`` *unimplemented*
- ------------------------------------------------- -----------------
- ``__cpp_lib_to_array`` ``201907L``
================================================= =================
#endif // !_LIBCPP_CXX03_LANG
-#if _LIBCPP_STD_VER > 17
-
-template <typename _Tp, size_t _Size, size_t... _Index>
-_LIBCPP_INLINE_VISIBILITY constexpr array<remove_cv_t<_Tp>, _Size>
-__to_array_lvalue_impl(_Tp (&__arr)[_Size], index_sequence<_Index...>) {
- return {{__arr[_Index]...}};
-}
-
-template <typename _Tp, size_t _Size, size_t... _Index>
-_LIBCPP_INLINE_VISIBILITY constexpr array<remove_cv_t<_Tp>, _Size>
-__to_array_rvalue_impl(_Tp(&&__arr)[_Size], index_sequence<_Index...>) {
- return {{_VSTD::move(__arr[_Index])...}};
-}
-
-template <typename _Tp, size_t _Size>
-_LIBCPP_INLINE_VISIBILITY constexpr array<remove_cv_t<_Tp>, _Size>
-to_array(_Tp (&__arr)[_Size]) noexcept(is_nothrow_constructible_v<_Tp, _Tp&>) {
- static_assert(
- !is_array_v<_Tp>,
- "[array.creation]/1: to_array does not accept multidimensional arrays.");
- static_assert(
- is_constructible_v<_Tp, _Tp&>,
- "[array.creation]/1: to_array requires copy constructible elements.");
- return __to_array_lvalue_impl(__arr, make_index_sequence<_Size>());
-}
-
-template <typename _Tp, size_t _Size>
-_LIBCPP_INLINE_VISIBILITY constexpr array<remove_cv_t<_Tp>, _Size>
-to_array(_Tp(&&__arr)[_Size]) noexcept(is_nothrow_move_constructible_v<_Tp>) {
- static_assert(
- !is_array_v<_Tp>,
- "[array.creation]/4: to_array does not accept multidimensional arrays.");
- static_assert(
- is_move_constructible_v<_Tp>,
- "[array.creation]/4: to_array requires move constructible elements.");
- return __to_array_rvalue_impl(_VSTD::move(__arr),
- make_index_sequence<_Size>());
-}
-
-#endif // _LIBCPP_STD_VER > 17
-
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_ARRAY
__cpp_lib_string_udls 201304L <string>
__cpp_lib_string_view 201606L <string> <string_view>
__cpp_lib_three_way_comparison 201711L <compare>
-__cpp_lib_to_array 201907L <array>
__cpp_lib_to_chars 201611L <utility>
__cpp_lib_transformation_trait_aliases 201304L <type_traits>
__cpp_lib_transparent_operators 201510L <functional>
# endif
// # define __cpp_lib_list_remove_return_type 201806L
// # define __cpp_lib_ranges 201811L
-# define __cpp_lib_to_array 201907L
// # define __cpp_lib_three_way_comparison 201711L
#endif
+++ /dev/null
-//===----------------------------------------------------------------------===//
-//
-// 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
-//
-//===----------------------------------------------------------------------===//
-
-// <array>
-// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
-
-#include <array>
-
-#include "test_macros.h"
-#include "MoveOnly.h"
-
-int main(int, char**) {
- {
- char source[3][6] = {"hi", "world"};
- std::to_array(source); // expected-error {{here}}
- }
-
- {
- MoveOnly mo[] = {MoveOnly{3}};
- std::to_array(mo); // expected-error {{here}}
- }
-
- {
- const MoveOnly cmo[] = {MoveOnly{3}};
- std::to_array(std::move(cmo)); // expected-error {{here}}
- }
-
- return 0;
-}
+++ /dev/null
-//===----------------------------------------------------------------------===//
-//
-// 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
-//
-//===----------------------------------------------------------------------===//
-
-// <array>
-// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
-
-// template <typename T, size_t Size>
-// constexpr auto to_array(T (&arr)[Size])
-// -> array<remove_cv_t<T>, Size>;
-
-// template <typename T, size_t Size>
-// constexpr auto to_array(T (&&arr)[Size])
-// -> array<remove_cv_t<T>, Size>;
-
-#include <array>
-#include <cassert>
-
-#include "test_macros.h"
-#include "MoveOnly.h"
-
-int main(int, char**) {
- // Test deduced type.
- {
- auto arr = std::to_array({1, 2, 3});
- ASSERT_SAME_TYPE(decltype(arr), std::array<int, 3>);
- assert(arr[0] == 1);
- assert(arr[1] == 2);
- assert(arr[2] == 3);
- }
-
- {
- const long l1 = 42;
- auto arr = std::to_array({1L, 4L, 9L, l1});
- ASSERT_SAME_TYPE(decltype(arr)::value_type, long);
- static_assert(arr.size() == 4, "");
- assert(arr[0] == 1);
- assert(arr[1] == 4);
- assert(arr[2] == 9);
- assert(arr[3] == l1);
- }
-
- {
- auto arr = std::to_array("meow");
- ASSERT_SAME_TYPE(decltype(arr), std::array<char, 5>);
- assert(arr[0] == 'm');
- assert(arr[1] == 'e');
- assert(arr[2] == 'o');
- assert(arr[3] == 'w');
- assert(arr[4] == '\0');
- }
-
- {
- double source[3] = {4.0, 5.0, 6.0};
- auto arr = std::to_array(source);
- ASSERT_SAME_TYPE(decltype(arr), std::array<double, 3>);
- assert(arr[0] == 4.0);
- assert(arr[1] == 5.0);
- assert(arr[2] == 6.0);
- }
-
- {
- double source[3] = {4.0, 5.0, 6.0};
- auto arr = std::to_array(std::move(source));
- ASSERT_SAME_TYPE(decltype(arr), std::array<double, 3>);
- assert(arr[0] == 4.0);
- assert(arr[1] == 5.0);
- assert(arr[2] == 6.0);
- }
-
- {
- MoveOnly source[] = {MoveOnly{0}, MoveOnly{1}, MoveOnly{2}};
-
- auto arr = std::to_array(std::move(source));
- ASSERT_SAME_TYPE(decltype(arr), std::array<MoveOnly, 3>);
- for (int i = 0; i < 3; ++i)
- assert(arr[i].get() == i && source[i].get() == 0);
- }
-
- // Test C99 compound literal.
- {
- auto arr = std::to_array((int[]){3, 4});
- ASSERT_SAME_TYPE(decltype(arr), std::array<int, 2>);
- assert(arr[0] == 3);
- assert(arr[1] == 4);
- }
-
- // Test explicit type.
- {
- auto arr = std::to_array<long>({1, 2, 3});
- ASSERT_SAME_TYPE(decltype(arr), std::array<long, 3>);
- assert(arr[0] == 1);
- assert(arr[1] == 2);
- assert(arr[2] == 3);
- }
-
- {
- struct A {
- int a;
- double b;
- };
-
- auto arr = std::to_array<A>({{3, .1}});
- ASSERT_SAME_TYPE(decltype(arr), std::array<A, 1>);
- assert(arr[0].a == 3);
- assert(arr[0].b == .1);
- }
-
- // Test constexpr.
- {
- constexpr std::array<int, 3> arr = std::to_array({1, 2, 3});
- static_assert(arr[0] == 1);
- static_assert(arr[1] == 2);
- static_assert(arr[2] == 3);
- }
-
- return 0;
-}
__cpp_lib_array_constexpr 201603L [C++17]
__cpp_lib_constexpr_misc 201811L [C++2a]
__cpp_lib_nonmember_container_access 201411L [C++17]
- __cpp_lib_to_array 201907L [C++2a]
*/
#include <array>
# error "__cpp_lib_nonmember_container_access should not be defined before c++17"
# endif
-# ifdef __cpp_lib_to_array
-# error "__cpp_lib_to_array should not be defined before c++2a"
-# endif
-
#elif TEST_STD_VER == 14
# ifdef __cpp_lib_array_constexpr
# error "__cpp_lib_nonmember_container_access should not be defined before c++17"
# endif
-# ifdef __cpp_lib_to_array
-# error "__cpp_lib_to_array should not be defined before c++2a"
-# endif
-
#elif TEST_STD_VER == 17
# ifndef __cpp_lib_array_constexpr
# error "__cpp_lib_nonmember_container_access should have the value 201411L in c++17"
# endif
-# ifdef __cpp_lib_to_array
-# error "__cpp_lib_to_array should not be defined before c++2a"
-# endif
-
#elif TEST_STD_VER > 17
# ifndef __cpp_lib_array_constexpr
# error "__cpp_lib_nonmember_container_access should have the value 201411L in c++2a"
# endif
-# ifndef __cpp_lib_to_array
-# error "__cpp_lib_to_array should be defined in c++2a"
-# endif
-# if __cpp_lib_to_array != 201907L
-# error "__cpp_lib_to_array should have the value 201907L in c++2a"
-# endif
-
#endif // TEST_STD_VER > 17
int main(int, char**) { return 0; }
__cpp_lib_string_udls 201304L [C++14]
__cpp_lib_string_view 201606L [C++17]
__cpp_lib_three_way_comparison 201711L [C++2a]
- __cpp_lib_to_array 201907L [C++2a]
__cpp_lib_to_chars 201611L [C++17]
__cpp_lib_transformation_trait_aliases 201304L [C++14]
__cpp_lib_transparent_operators 201210L [C++14]
# error "__cpp_lib_three_way_comparison should not be defined before c++2a"
# endif
-# ifdef __cpp_lib_to_array
-# error "__cpp_lib_to_array should not be defined before c++2a"
-# endif
-
# ifdef __cpp_lib_to_chars
# error "__cpp_lib_to_chars should not be defined before c++17"
# endif
# error "__cpp_lib_three_way_comparison should not be defined before c++2a"
# endif
-# ifdef __cpp_lib_to_array
-# error "__cpp_lib_to_array should not be defined before c++2a"
-# endif
-
# ifdef __cpp_lib_to_chars
# error "__cpp_lib_to_chars should not be defined before c++17"
# endif
# error "__cpp_lib_three_way_comparison should not be defined before c++2a"
# endif
-# ifdef __cpp_lib_to_array
-# error "__cpp_lib_to_array should not be defined before c++2a"
-# endif
-
# if !defined(_LIBCPP_VERSION)
# ifndef __cpp_lib_to_chars
# error "__cpp_lib_to_chars should be defined in c++17"
# endif
# endif
-# ifndef __cpp_lib_to_array
-# error "__cpp_lib_to_array should be defined in c++2a"
-# endif
-# if __cpp_lib_to_array != 201907L
-# error "__cpp_lib_to_array should have the value 201907L in c++2a"
-# endif
-
# if !defined(_LIBCPP_VERSION)
# ifndef __cpp_lib_to_chars
# error "__cpp_lib_to_chars should be defined in c++2a"
},
"headers": ["bit"],
},
- {"name": "__cpp_lib_to_array",
- "values": {
- "c++2a": 201907L,
- },
- "headers": ["array"],
- },
]], key=lambda tc: tc["name"])
def get_std_dialects():
<tr><td><a href="https://wg21.link/P1464R1">P1464R1</a></td><td>LWG</td><td>Mandating the Standard Library: Clause 22 - Iterators library</td><td>Kona</td><td>Complete</td><td>9.0</td></tr>
<tr><td></td><td></td><td></td><td></td><td></td><td></td></tr>
- <tr><td><a href="https://wg21.link/P0325">P0325</a></td><td>LWG</td><td>to_array from LFTS with updates</td><td>Cologne</td><td>Complete</td><td>10.0</td></tr>
+ <tr><td><a href="https://wg21.link/P0325">P0325</a></td><td>LWG</td><td>to_array from LFTS with updates</td><td>Cologne</td><td></td><td></td></tr>
<tr><td><a href="https://wg21.link/P0408">P0408</a></td><td>LWG</td><td>Efficient Access to basic_stringbuf ’s Buffer</td><td>Cologne</td><td></td><td></td></tr>
<tr><td><a href="https://wg21.link/P0466">P0466</a></td><td>LWG</td><td>Layout-compatibility and Pointer-interconvertibility Traits</td><td>Cologne</td><td></td><td></td></tr>
<tr><td><a href="https://wg21.link/P0553">P0553</a></td><td>LWG</td><td>Bit operations</td><td>Cologne</td><td>Complete</td><td>9.0</td></tr>