HlcState

Struct HlcState 

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#[repr(C, align(16))]
pub struct HlcState { pub physical: u64, pub logical: u64, }
Expand description

Compact HLC state for GPU-side storage (16 bytes).

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§physical: u64

Physical time in microseconds.

§logical: u64

Logical counter.

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impl HlcState

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pub const fn new(physical: u64, logical: u64) -> Self

Create new HLC state.

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pub const fn to_timestamp(&self, node_id: u64) -> HlcTimestamp

Convert to full timestamp with node ID.

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pub const fn from_timestamp(ts: &HlcTimestamp) -> Self

Create from full timestamp (drops node_id).

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impl AsBytes for HlcState
where u64: AsBytes, HasPadding<HlcState, { _ }>: ShouldBe<false>,

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fn as_bytes(&self) -> &[u8]

Gets the bytes of this value. Read more
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fn as_bytes_mut(&mut self) -> &mut [u8]
where Self: FromBytes,

Gets the bytes of this value mutably. Read more
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fn write_to(&self, bytes: &mut [u8]) -> Option<()>

Writes a copy of self to bytes. Read more
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fn write_to_prefix(&self, bytes: &mut [u8]) -> Option<()>

Writes a copy of self to the prefix of bytes. Read more
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fn write_to_suffix(&self, bytes: &mut [u8]) -> Option<()>

Writes a copy of self to the suffix of bytes. Read more
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impl Clone for HlcState

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fn clone(&self) -> HlcState

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 HlcState

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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 Default for HlcState

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fn default() -> HlcState

Returns the “default value” for a type. Read more
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impl FromBytes for HlcState
where u64: FromBytes,

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fn ref_from(bytes: &[u8]) -> Option<&Self>
where Self: Sized,

Interprets the given bytes as a &Self without copying. Read more
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fn ref_from_prefix(bytes: &[u8]) -> Option<&Self>
where Self: Sized,

Interprets the prefix of the given bytes as a &Self without copying. Read more
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fn ref_from_suffix(bytes: &[u8]) -> Option<&Self>
where Self: Sized,

Interprets the suffix of the given bytes as a &Self without copying. Read more
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fn mut_from(bytes: &mut [u8]) -> Option<&mut Self>
where Self: Sized + AsBytes,

Interprets the given bytes as a &mut Self without copying. Read more
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fn mut_from_prefix(bytes: &mut [u8]) -> Option<&mut Self>
where Self: Sized + AsBytes,

Interprets the prefix of the given bytes as a &mut Self without copying. Read more
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fn mut_from_suffix(bytes: &mut [u8]) -> Option<&mut Self>
where Self: Sized + AsBytes,

Interprets the suffix of the given bytes as a &mut Self without copying. Read more
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fn slice_from(bytes: &[u8]) -> Option<&[Self]>
where Self: Sized,

Interprets the given bytes as a &[Self] without copying. Read more
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fn slice_from_prefix(bytes: &[u8], count: usize) -> Option<(&[Self], &[u8])>
where Self: Sized,

Interprets the prefix of the given bytes as a &[Self] with length equal to count without copying. Read more
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fn slice_from_suffix(bytes: &[u8], count: usize) -> Option<(&[u8], &[Self])>
where Self: Sized,

Interprets the suffix of the given bytes as a &[Self] with length equal to count without copying. Read more
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fn mut_slice_from(bytes: &mut [u8]) -> Option<&mut [Self]>
where Self: Sized + AsBytes,

Interprets the given bytes as a &mut [Self] without copying. Read more
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fn mut_slice_from_prefix( bytes: &mut [u8], count: usize, ) -> Option<(&mut [Self], &mut [u8])>
where Self: Sized + AsBytes,

Interprets the prefix of the given bytes as a &mut [Self] with length equal to count without copying. Read more
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fn mut_slice_from_suffix( bytes: &mut [u8], count: usize, ) -> Option<(&mut [u8], &mut [Self])>
where Self: Sized + AsBytes,

Interprets the suffix of the given bytes as a &mut [Self] with length equal to count without copying. Read more
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fn read_from(bytes: &[u8]) -> Option<Self>
where Self: Sized,

Reads a copy of Self from bytes. Read more
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fn read_from_prefix(bytes: &[u8]) -> Option<Self>
where Self: Sized,

Reads a copy of Self from the prefix of bytes. Read more
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fn read_from_suffix(bytes: &[u8]) -> Option<Self>
where Self: Sized,

Reads a copy of Self from the suffix of bytes. Read more
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impl FromZeroes for HlcState
where u64: FromZeroes,

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fn zero(&mut self)

Overwrites self with zeroes. Read more
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fn new_zeroed() -> Self
where Self: Sized,

Creates an instance of Self from zeroed bytes. Read more
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impl Zeroable for HlcState

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fn zeroed() -> Self

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impl Copy for HlcState

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impl Pod for HlcState

Auto Trait 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> Borrow<T> for T
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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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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> CheckedBitPattern for T
where T: AnyBitPattern,

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type Bits = T

Self must have the same layout as the specified Bits except for the possible invalid bit patterns being checked during is_valid_bit_pattern.
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fn is_valid_bit_pattern(_bits: &T) -> bool

If this function returns true, then it must be valid to reinterpret bits as &Self.
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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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Returns the argument unchanged.

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where U: From<T>,

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Calls U::from(self).

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

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type Metadata = ()

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where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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type Error = Infallible

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

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

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