ChunkDescriptor

Struct ChunkDescriptor 

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#[repr(C)]
pub struct ChunkDescriptor { pub segment: SegmentID, pub chunk: ChunkID, pub len: NonZeroUsize, }
Expand description

Uniquely identifies the particular chunk within particular segment

This API has been marked as unstable: it works as advertised, but it may be changed in a future release.

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§segment: SegmentID§chunk: ChunkID§len: NonZeroUsize

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impl ChunkDescriptor

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pub const fn has_optimal_layout() -> bool

Returns true if the layout for ChunkDescriptor is smaller or equal to that Rust would have generated for it.

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impl ChunkDescriptor

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pub fn new(segment: SegmentID, chunk: ChunkID, len: NonZeroUsize) -> Self

Create a new Chunk Descriptor

This API has been marked as unstable: it works as advertised, but it may be changed in a future release.

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impl Clone for ChunkDescriptor

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fn clone(&self) -> ChunkDescriptor

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for ChunkDescriptor

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl IStable for ChunkDescriptor

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const REPORT: &'static TypeReport

A compile-time generated report of the fields of the type, allowing for compatibility inspection.
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const ID: u64 = 18_349_922_111_454_475_829u64

A stable (and ideally unique) identifier for the type. Often generated using crate::report::gen_id, but can be manually set.
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type ForbiddenValues = <Struct<FieldPair<FieldPair<u32, u32>, NonZero<usize>>> as IStable>::ForbiddenValues

The values that the annotated type cannot occupy.
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type UnusedBits = <Struct<FieldPair<FieldPair<u32, u32>, NonZero<usize>>> as IStable>::UnusedBits

The padding bits in the annotated types
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type Size = <Struct<FieldPair<FieldPair<u32, u32>, NonZero<usize>>> as IStable>::Size

The size of the annotated type in bytes.
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type Align = <Struct<FieldPair<FieldPair<u32, u32>, NonZero<usize>>> as IStable>::Align

The alignment of the annotated type in bytes.
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type HasExactlyOneNiche = <Struct<FieldPair<FieldPair<u32, u32>, NonZero<usize>>> as IStable>::HasExactlyOneNiche

Allows the detection of whether or not core::option::Options are stable: Read more
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type ContainsIndirections = <Struct<FieldPair<FieldPair<u32, u32>, NonZero<usize>>> as IStable>::ContainsIndirections

Whether or not the type contains indirections (pointers, indices in independent data-structures…)
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fn size() -> usize

Returns the size of the type.
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fn align() -> usize

Returns the alignment of the type.
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unsafe fn is_invalid(ptr: *const u8) -> bool

Returns true if ptr points to memory that cannot be a valid value of Self. Read more
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impl PartialEq for ChunkDescriptor

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fn eq(&self, other: &ChunkDescriptor) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for ChunkDescriptor

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impl StructuralPartialEq for ChunkDescriptor

Auto Trait Implementations§

Blanket Implementations§

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impl<Source> AccessAs for Source

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fn ref_as<T>(&self) -> <Source as IGuardRef<T>>::Guard<'_>
where Source: IGuardRef<T>, T: ?Sized,

Provides immutable access to a type as if it were its ABI-unstable equivalent.
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fn mut_as<T>(&mut self) -> <Source as IGuardMut<T>>::GuardMut<'_>
where Source: IGuardMut<T>, T: ?Sized,

Provides mutable access to a type as if it were its ABI-unstable equivalent.
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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Any for T
where T: IStable,

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extern "C" fn report(&self) -> &'static TypeReport

The report of the type.
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extern "C" fn id(&self) -> u64

The id of the type.
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, As> IGuardMut<As> for T
where T: Into<As>, As: Into<T>,

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type GuardMut<'a> = MutAs<'a, T, As> where T: 'a

The type of the guard which will clean up the temporary after applying its changes to the original.
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fn guard_mut_inner(&mut self) -> <T as IGuardMut<As>>::GuardMut<'_>

Construct the temporary and guard it through a mutable reference.
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impl<T, As> IGuardRef<As> for T
where T: Into<As>, As: Into<T>,

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type Guard<'a> = RefAs<'a, T, As> where T: 'a

The type of the guard which will clean up the temporary.
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fn guard_ref_inner(&self) -> <T as IGuardRef<As>>::Guard<'_>

Construct the temporary and guard it through an immutable reference.
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impl<T> Includes<End> for T

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type Output = End

The result
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> ResideInShm for T
where T: Send + IStable<ContainsIndirections = B0>,