pub struct Uninit;
Expand description
A type implementing InitStatus
indicating that the value is completely uninitialized.
Trait Implementations§
Source§impl<T> InitStatus<T> for Uninit
impl<T> InitStatus<T> for Uninit
Source§type Value = MaybeUninit<T>
type Value = MaybeUninit<T>
The type of the values with the initialization status described by
Self
.Source§fn init(out: &mut MaybeUninit<T>, t: T)
fn init(out: &mut MaybeUninit<T>, t: T)
Initialize the given element.
Source§unsafe fn assume_init_ref(t: &MaybeUninit<T>) -> &T
unsafe fn assume_init_ref(t: &MaybeUninit<T>) -> &T
Retrieve a reference to the element, assuming that it is initialized. Read more
Source§unsafe fn assume_init_mut(t: &mut MaybeUninit<T>) -> &mut T
unsafe fn assume_init_mut(t: &mut MaybeUninit<T>) -> &mut T
Retrieve a mutable reference to the element, assuming that it is initialized. Read more
impl Copy for Uninit
impl Eq for Uninit
impl StructuralPartialEq for Uninit
Auto Trait Implementations§
impl Freeze for Uninit
impl RefUnwindSafe for Uninit
impl Send for Uninit
impl Sync for Uninit
impl Unpin for Uninit
impl UnwindSafe for Uninit
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,
§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Checks if this value is equivalent to the given key. Read more
§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to
key
and return true
if they are equal.§impl<T> Instrument for T
impl<T> Instrument for T
§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left
is true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left(&self)
returns true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read more§impl<T> Pointable for T
impl<T> Pointable for T
§impl<SS, SP> SupersetOf<SS> for SPwhere
SS: SubsetOf<SP>,
impl<SS, SP> SupersetOf<SS> for SPwhere
SS: SubsetOf<SP>,
§fn to_subset(&self) -> Option<SS>
fn to_subset(&self) -> Option<SS>
The inverse inclusion map: attempts to construct
self
from the equivalent element of its
superset. Read more§fn is_in_subset(&self) -> bool
fn is_in_subset(&self) -> bool
Checks if
self
is actually part of its subset T
(and can be converted to it).§fn to_subset_unchecked(&self) -> SS
fn to_subset_unchecked(&self) -> SS
Use with care! Same as
self.to_subset
but without any property checks. Always succeeds.§fn from_subset(element: &SS) -> SP
fn from_subset(element: &SS) -> SP
The inclusion map: converts
self
to the equivalent element of its superset.