#[repr(u32)]pub(crate) enum Padding {
Optimize = 0,
}
Expand description
By explicitly inserting this enum where padding is expected, the compiler is able to better perform niche value optimization.
Variants§
Optimize = 0
Trait Implementations§
Source§impl Ord for Padding
impl Ord for Padding
Source§impl PartialOrd for Padding
impl PartialOrd for Padding
impl Copy for Padding
impl StructuralPartialEq for Padding
Auto Trait Implementations§
impl Freeze for Padding
impl RefUnwindSafe for Padding
impl Send for Padding
impl Sync for Padding
impl Unpin for Padding
impl UnwindSafe for Padding
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Source§impl<T> SizedTypeProperties for T
impl<T> SizedTypeProperties for T
Source§#[doc(hidden)] const IS_ZST: bool = _
#[doc(hidden)] const IS_ZST: bool = _
🔬This is a nightly-only experimental API. (
sized_type_properties
)Source§#[doc(hidden)] const LAYOUT: Layout = _
#[doc(hidden)] const LAYOUT: Layout = _
🔬This is a nightly-only experimental API. (
sized_type_properties
)Source§#[doc(hidden)] const MAX_SLICE_LEN: usize = _
#[doc(hidden)] const MAX_SLICE_LEN: usize = _
🔬This is a nightly-only experimental API. (
sized_type_properties
)The largest safe length for a
[Self]
. Read more