pub struct PeekMut<'a, T, A = Global>where
A: Allocator,{ /* private fields */ }๐ฌThis is a nightly-only experimental API. (
vec_peek_mut)Available on crate feature
std only.Expand description
Implementationsยง
Trait Implementationsยง
Auto Trait Implementationsยง
impl<'a, T, A> Freeze for PeekMut<'a, T, A>
impl<'a, T, A> RefUnwindSafe for PeekMut<'a, T, A>where
A: RefUnwindSafe,
T: RefUnwindSafe,
impl<'a, T, A> Send for PeekMut<'a, T, A>
impl<'a, T, A> Sync for PeekMut<'a, T, A>
impl<'a, T, A> Unpin for PeekMut<'a, T, A>
impl<'a, T, A = Global> !UnwindSafe for PeekMut<'a, T, A>
Blanket Implementationsยง
Sourceยงimpl<T> ArchivePointee for T
impl<T> ArchivePointee for T
Sourceยงtype ArchivedMetadata = ()
type ArchivedMetadata = ()
The archived version of the pointer metadata for this type.
Sourceยงfn pointer_metadata(
_: &<T as ArchivePointee>::ArchivedMetadata,
) -> <T as Pointee>::Metadata
fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata
Converts some archived metadata to the pointer metadata for itself.
Sourceยงimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Sourceยงfn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Sourceยงimpl<T> LayoutRaw for T
impl<T> LayoutRaw for T
Sourceยงfn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>
fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>
Returns the layout of the type.
Sourceยงimpl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
Sourceยงunsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool
unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool
Returns whether the given value has been niched. Read more
Sourceยงfn resolve_niched(out: Place<NichedOption<T, N1>>)
fn resolve_niched(out: Place<NichedOption<T, N1>>)
Writes data to
out indicating that a T is niched.