Struct Head

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#[repr(C)]pub struct Head {
    pub id: StreamId,
    pub hash: [u8; 32],
    pub len: u64,
    /* private fields */
}

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§id: StreamId§hash: [u8; 32]§len: u64

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pub fn len(&self) -> u64

Trait Implementations§

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impl Archive for Head
where StreamId: Archive, [u8; 32]: Archive, u64: Archive,

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type Archived = Head

The archived representation of this type. Read more

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type Resolver = HeadResolver

The resolver for this type. It must contain all the additional information from serializing needed to make the archived type from the normal type.

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unsafe fn resolve( &self, pos: usize, resolver: Self::Resolver, out: *mut Self::Archived, )

Creates the archived version of this value at the given position and writes it to the given output. Read more

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impl AsBytes for Head

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fn as_bytes(&self) -> &[u8] ⓘ

Get the bytes of this value. Read more

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fn as_bytes_mut(&mut self) -> &mut [u8] ⓘ
where Self: FromBytes,

Get the bytes of this value mutably. Read more

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impl Clone for Head

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fn clone(&self) -> Head

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 Head

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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<D: Fallible + ?Sized> Deserialize<Head, D> for Archived<Head>
where StreamId: Archive, Archived<StreamId>: Deserialize<StreamId, D>, [u8; 32]: Archive, Archived<[u8; 32]>: Deserialize<[u8; 32], D>, u64: Archive, Archived<u64>: Deserialize<u64, __D>,

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fn deserialize(&self, deserializer: &mut D) -> Result<Head, D::Error>

Deserializes using the given deserializer

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impl PartialEq for Head

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fn eq(&self, other: &Head) -> 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<S: Fallible + ?Sized> Serialize<S> for Head
where StreamId: Serialize<S>, [u8; 32]: Serialize<S>, u64: Serialize<__S>,

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fn serialize(&self, serializer: &mut S) -> Result<Self::Resolver, S::Error>

Writes the dependencies for the object and returns a resolver that can create the archived type.

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impl Copy for Head

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impl Eq for Head

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impl FromBytes for Head

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impl StructuralPartialEq for Head

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impl Freeze for Head

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impl RefUnwindSafe for Head

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impl Send for Head

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impl Sync for Head

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impl Unpin for Head

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impl UnwindSafe for Head

Blanket Implementations§

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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> ArchivePointee for T

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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.

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fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.

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impl<T> ArchiveUnsized for T
where T: Archive,

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type Archived = <T as Archive>::Archived

The archived counterpart of this type. Unlike Archive, it may be unsized. Read more

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type MetadataResolver = ()

The resolver for the metadata of this type. Read more

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unsafe fn resolve_metadata( &self, _: usize, _: <T as ArchiveUnsized>::MetadataResolver, _: *mut <<T as ArchiveUnsized>::Archived as ArchivePointee>::ArchivedMetadata, )

Creates the archived version of the metadata for this value at the given position and writes it to the given output. Read more

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unsafe fn resolve_unsized( &self, from: usize, to: usize, resolver: Self::MetadataResolver, out: *mut RelPtr<Self::Archived, <isize as Archive>::Archived>, )

Resolves a relative pointer to this value with the given from and to and writes it to the given output. Read more

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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<F, W, T, D> Deserialize<With<T, W>, D> for F
where W: DeserializeWith<F, T, D>, D: Fallible + ?Sized, F: ?Sized,

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fn deserialize( &self, deserializer: &mut D, ) -> Result<With<T, W>, <D as Fallible>::Error>

Deserializes using the given deserializer

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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> 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 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> Pointable for T

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const ALIGN: usize

The alignment of pointer.

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type Init = T

The type for initializers.

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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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impl<T> Pointee for T

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type Metadata = ()

The type for metadata in pointers and references to Self.

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impl<T> Same for T

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type Output = T

Should always be Self

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impl<T, S> SerializeUnsized<S> for T
where T: Serialize<S>, S: Serializer + ?Sized,

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fn serialize_unsized( &self, serializer: &mut S, ) -> Result<usize, <S as Fallible>::Error>

Writes the object and returns the position of the archived type.

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fn serialize_metadata(&self, _: &mut S) -> Result<(), <S as Fallible>::Error>

Serializes the metadata for the given type.

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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 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>::Error>

Performs the conversion.

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impl<T, U> TryInto for T
where U: TryFrom<T>,

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type Error = >::Error

The type returned in the event of a conversion error.

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fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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Struct Head Copy item path

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Implementations§

impl Head

pub fn id(&self) -> &StreamId

pub fn hash(&self) -> &[u8; 32]

pub fn len(&self) -> u64

Trait Implementations§

impl Archive for Headwhere StreamId: Archive, [u8; 32]: Archive, u64: Archive,

type Archived = Head

type Resolver = HeadResolver

unsafe fn resolve( &self, pos: usize, resolver: Self::Resolver, out: *mut Self::Archived, )

impl AsBytes for Head

fn as_bytes(&self) -> &[u8] ⓘ

fn as_bytes_mut(&mut self) -> &mut [u8] ⓘwhere Self: FromBytes,

impl Clone for Head

fn clone(&self) -> Head

fn clone_from(&mut self, source: &Self)

impl Debug for Head

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

impl<__D: Fallible + ?Sized> Deserialize<Head, __D> for Archived<Head>where StreamId: Archive, Archived<StreamId>: Deserialize<StreamId, __D>, [u8; 32]: Archive, Archived<[u8; 32]>: Deserialize<[u8; 32], __D>, u64: Archive, Archived<u64>: Deserialize<u64, __D>,

fn deserialize(&self, deserializer: &mut __D) -> Result<Head, __D::Error>

impl PartialEq for Head

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

fn ne(&self, other: &Rhs) -> bool

impl<__S: Fallible + ?Sized> Serialize<__S> for Headwhere StreamId: Serialize<__S>, [u8; 32]: Serialize<__S>, u64: Serialize<__S>,

fn serialize(&self, serializer: &mut __S) -> Result<Self::Resolver, __S::Error>

impl Copy for Head

impl Eq for Head

impl FromBytes for Head

impl StructuralPartialEq for Head

Auto Trait Implementations§

impl Freeze for Head

impl RefUnwindSafe for Head

impl Send for Head

impl Sync for Head

impl Unpin for Head

impl UnwindSafe for Head

Blanket Implementations§

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> ArchivePointee for T

type ArchivedMetadata = ()

fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata

impl<T> ArchiveUnsized for Twhere T: Archive,

type Archived = <T as Archive>::Archived

type MetadataResolver = ()

unsafe fn resolve_metadata( &self, _: usize, _: <T as ArchiveUnsized>::MetadataResolver, _: *mut <<T as ArchiveUnsized>::Archived as ArchivePointee>::ArchivedMetadata, )

unsafe fn resolve_unsized( &self, from: usize, to: usize, resolver: Self::MetadataResolver, out: *mut RelPtr<Self::Archived, <isize as Archive>::Archived>, )

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

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

impl<T> CloneToUninit for Twhere T: Clone,

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

impl<F, W, T, D> Deserialize<With<T, W>, D> for Fwhere W: DeserializeWith<F, T, D>, D: Fallible + ?Sized, F: ?Sized,

fn deserialize( &self, deserializer: &mut D, ) -> Result<With<T, W>, <D as Fallible>::Error>

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

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

fn in_current_span(self) -> Instrumented<Self>

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> Pointable for T

const ALIGN: usize

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

impl<T> Pointee for T

type Metadata = ()

impl<T> Same for T

type Output = T

impl<T, S> SerializeUnsized<S> for Twhere T: Serialize<S>, S: Serializer + ?Sized,

fn serialize_unsized( &self, serializer: &mut S, ) -> Result<usize, <S as Fallible>::Error>

fn serialize_metadata(&self, _: &mut S) -> Result<(), <S as Fallible>::Error>

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

Struct Head

impl Archive for Head
where StreamId: Archive, [u8; 32]: Archive, u64: Archive,

fn as_bytes_mut(&mut self) -> &mut [u8] ⓘ
where Self: FromBytes,

impl<D: Fallible + ?Sized> Deserialize<Head, D> for Archived<Head>
where StreamId: Archive, Archived<StreamId>: Deserialize<StreamId, D>, [u8; 32]: Archive, Archived<[u8; 32]>: Deserialize<[u8; 32], D>, u64: Archive, Archived<u64>: Deserialize<u64, __D>,

fn deserialize(&self, deserializer: &mut D) -> Result<Head, D::Error>

impl<S: Fallible + ?Sized> Serialize<S> for Head
where StreamId: Serialize<S>, [u8; 32]: Serialize<S>, u64: Serialize<__S>,

fn serialize(&self, serializer: &mut S) -> Result<Self::Resolver, S::Error>

impl<T> Any for T
where T: 'static + ?Sized,

impl<T> ArchiveUnsized for T
where T: Archive,

impl<T> Borrow<T> for T
where T: ?Sized,

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

impl<F, W, T, D> Deserialize<With<T, W>, D> for F
where W: DeserializeWith<F, T, D>, D: Fallible + ?Sized, F: ?Sized,

impl<T, U> Into<U> for T
where U: From<T>,

impl<T, S> SerializeUnsized<S> for T
where T: Serialize<S>, S: Serializer + ?Sized,

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

impl<T, U> TryFrom<U> for T
where U: Into<T>,

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

impl<V, T> VZip<V> for T
where V: MultiLane<T>,