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Add more noexcept

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This commit is contained in:
Chris Robinson 2021-10-10 11:29:00 -07:00
parent 8305973e7a
commit ed3e40c22d
1 changed files with 8 additions and 8 deletions
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16
common/almalloc.h
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@ -97,9 +97,9 @@ struct allocator {
void deallocate(T *p, std::size_t) noexcept { al_free(p); }
};
template<typename T, std::size_t N, typename U, std::size_t M>
bool operator==(const allocator<T,N>&, const allocator<U,M>&) noexcept { return true; }
constexpr bool operator==(const allocator<T,N>&, const allocator<U,M>&) noexcept { return true; }
template<typename T, std::size_t N, typename U, std::size_t M>
bool operator!=(const allocator<T,N>&, const allocator<U,M>&) noexcept { return false; }
constexpr bool operator!=(const allocator<T,N>&, const allocator<U,M>&) noexcept { return false; }
template<size_t alignment, typename T>
[[gnu::assume_aligned(alignment)]] constexpr T* assume_aligned(T *ptr) noexcept { return ptr; }
@ -156,6 +156,7 @@ destroy_n(T first, N count) noexcept(noexcept(al::destroy_at(std::addressof(*fir
template<typename T, typename N>
inline std::enable_if_t<std::is_integral<N>::value,T>
uninitialized_default_construct_n(T first, N count)
noexcept(std::is_nothrow_default_constructible<typename std::iterator_traits<T>::value_type>::value)
{
using ValueT = typename std::iterator_traits<T>::value_type;
T current{first};
@ -180,10 +181,7 @@ uninitialized_default_construct_n(T first, N count)
* trivially destructible.
*/
template<typename T, size_t alignment, bool = std::is_trivially_destructible<T>::value>
struct FlexArrayStorage;
template<typename T, size_t alignment>
struct FlexArrayStorage<T,alignment,true> {
struct FlexArrayStorage {
const size_t mSize;
union {
char mDummy;
@ -196,7 +194,8 @@ struct FlexArrayStorage<T,alignment,true> {
sizeof(FlexArrayStorage)) + base;
}
FlexArrayStorage(size_t size) : mSize{size}
FlexArrayStorage(size_t size) noexcept(std::is_nothrow_default_constructible<T>::value)
: mSize{size}
{ al::uninitialized_default_construct_n(mArray, mSize); }
~FlexArrayStorage() = default;
@ -218,7 +217,8 @@ struct FlexArrayStorage<T,alignment,false> {
sizeof(FlexArrayStorage)) + base;
}
FlexArrayStorage(size_t size) : mSize{size}
FlexArrayStorage(size_t size) noexcept(std::is_nothrow_default_constructible<T>::value)
: mSize{size}
{ al::uninitialized_default_construct_n(mArray, mSize); }
~FlexArrayStorage() { al::destroy_n(mArray, mSize); }