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[libc++] constexpr deque #129368

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[libc++] constexpr deque #129368

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171cd5a
constexpr deque
changkhothuychung Mar 1, 2025
caf34bf
use new macros
changkhothuychung Mar 1, 2025
7e8a820
update test files to reflect constexpr
changkhothuychung Mar 1, 2025
28f98a8
more files updated
changkhothuychung Mar 1, 2025
00e3607
feature test macros
changkhothuychung Mar 1, 2025
82e293b
fix FTM and constexpr macro
changkhothuychung Mar 2, 2025
129f6d6
update more test files
changkhothuychung Mar 2, 2025
7494b33
clang-format
changkhothuychung Mar 2, 2025
ed3b843
clang format
changkhothuychung Mar 2, 2025
457ae75
add more macros
changkhothuychung Mar 2, 2025
0b18391
Merge branch 'main' into constexpr-deque
changkhothuychung Apr 9, 2025
3737499
fix ftm
changkhothuychung Apr 9, 2025
5f9a116
fix version
changkhothuychung Apr 9, 2025
630e5c5
update test files in deque.modifiers
changkhothuychung Apr 9, 2025
5162d6c
fix test files in deque.special
changkhothuychung Apr 9, 2025
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11 changes: 6 additions & 5 deletions libcxx/include/deque
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Original file line number Diff line number Diff line change
Expand Up @@ -2543,7 +2543,8 @@ inline void deque<_Tp, _Allocator>::clear() _NOEXCEPT {
}

template <class _Tp, class _Allocator>
inline _LIBCPP_HIDE_FROM_ABI bool operator==(const deque<_Tp, _Allocator>& __x, const deque<_Tp, _Allocator>& __y) {
inline _LIBCPP_HIDE_FROM_ABI constexpr bool
operator==(const deque<_Tp, _Allocator>& __x, const deque<_Tp, _Allocator>& __y) {
const typename deque<_Tp, _Allocator>::size_type __sz = __x.size();
return __sz == __y.size() && std::equal(__x.begin(), __x.end(), __y.begin());
}
Expand Down Expand Up @@ -2578,30 +2579,30 @@ inline _LIBCPP_HIDE_FROM_ABI bool operator<=(const deque<_Tp, _Allocator>& __x,
# else // _LIBCPP_STD_VER <= 17

template <class _Tp, class _Allocator>
_LIBCPP_HIDE_FROM_ABI __synth_three_way_result<_Tp>
_LIBCPP_HIDE_FROM_ABI __synth_three_way_result<_Tp> constexpr
operator<=>(const deque<_Tp, _Allocator>& __x, const deque<_Tp, _Allocator>& __y) {
return std::lexicographical_compare_three_way(__x.begin(), __x.end(), __y.begin(), __y.end(), std::__synth_three_way);
}

# endif // _LIBCPP_STD_VER <= 17

template <class _Tp, class _Allocator>
inline _LIBCPP_HIDE_FROM_ABI void swap(deque<_Tp, _Allocator>& __x, deque<_Tp, _Allocator>& __y)
inline _LIBCPP_HIDE_FROM_ABI constexpr void swap(deque<_Tp, _Allocator>& __x, deque<_Tp, _Allocator>& __y)
_NOEXCEPT_(_NOEXCEPT_(__x.swap(__y))) {
__x.swap(__y);
}

# if _LIBCPP_STD_VER >= 20
template <class _Tp, class _Allocator, class _Up>
inline _LIBCPP_HIDE_FROM_ABI typename deque<_Tp, _Allocator>::size_type
inline _LIBCPP_HIDE_FROM_ABI constexpr typename deque<_Tp, _Allocator>::size_type
erase(deque<_Tp, _Allocator>& __c, const _Up& __v) {
auto __old_size = __c.size();
__c.erase(std::remove(__c.begin(), __c.end(), __v), __c.end());
return __old_size - __c.size();
}

template <class _Tp, class _Allocator, class _Predicate>
inline _LIBCPP_HIDE_FROM_ABI typename deque<_Tp, _Allocator>::size_type
inline _LIBCPP_HIDE_FROM_ABI constexpr typename deque<_Tp, _Allocator>::size_type
erase_if(deque<_Tp, _Allocator>& __c, _Predicate __pred) {
auto __old_size = __c.size();
__c.erase(std::remove_if(__c.begin(), __c.end(), __pred), __c.end());
Expand Down
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