#[repr(u8)]pub enum ValidityMetadata {
NonNullable = 0,
AllValid = 1,
AllInvalid = 2,
Array = 3,
}
Variants§
Implementations§
Source§impl ValidityMetadata
impl ValidityMetadata
pub fn to_validity<F>(&self, array_fn: F) -> Validity
Trait Implementations§
Source§impl Archive for ValidityMetadata
impl Archive for ValidityMetadata
Source§type Archived = ValidityMetadata
type Archived = ValidityMetadata
The archived representation of this type. Read more
Source§type Resolver = ValidityMetadataResolver
type Resolver = ValidityMetadataResolver
The resolver for this type. It must contain all the additional
information from serializing needed to make the archived type from
the normal type.
Source§fn resolve(&self, resolver: Self::Resolver, out: Place<Self::Archived>)
fn resolve(&self, resolver: Self::Resolver, out: Place<Self::Archived>)
Creates the archived version of this value at the given position and
writes it to the given output. Read more
Source§const COPY_OPTIMIZATION: CopyOptimization<Self> = _
const COPY_OPTIMIZATION: CopyOptimization<Self> = _
An optimization flag that allows the bytes of this type to be copied
directly to a writer instead of calling
serialize
. Read moreSource§impl<__C: Fallible + ?Sized> CheckBytes<__C> for ValidityMetadata
impl<__C: Fallible + ?Sized> CheckBytes<__C> for ValidityMetadata
Source§impl Clone for ValidityMetadata
impl Clone for ValidityMetadata
Source§fn clone(&self) -> ValidityMetadata
fn clone(&self) -> ValidityMetadata
Returns a copy of the value. Read more
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moreSource§impl Debug for ValidityMetadata
impl Debug for ValidityMetadata
Source§impl<'de> Deserialize<'de> for ValidityMetadata
impl<'de> Deserialize<'de> for ValidityMetadata
Source§fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
Source§impl<__D: Fallible + ?Sized> Deserialize<ValidityMetadata, __D> for Archived<ValidityMetadata>
impl<__D: Fallible + ?Sized> Deserialize<ValidityMetadata, __D> for Archived<ValidityMetadata>
Source§fn deserialize(
&self,
deserializer: &mut __D,
) -> Result<ValidityMetadata, <__D as Fallible>::Error>
fn deserialize( &self, deserializer: &mut __D, ) -> Result<ValidityMetadata, <__D as Fallible>::Error>
Deserializes using the given deserializer
Source§impl Display for ValidityMetadata
impl Display for ValidityMetadata
Source§impl Serialize for ValidityMetadata
impl Serialize for ValidityMetadata
impl Copy for ValidityMetadata
impl Portable for ValidityMetadata
Auto Trait Implementations§
impl Freeze for ValidityMetadata
impl RefUnwindSafe for ValidityMetadata
impl Send for ValidityMetadata
impl Sync for ValidityMetadata
impl Unpin for ValidityMetadata
impl UnwindSafe for ValidityMetadata
Blanket Implementations§
Source§impl<T> ArchivePointee for T
impl<T> ArchivePointee for T
Source§type ArchivedMetadata = ()
type ArchivedMetadata = ()
The archived version of the pointer metadata for this type.
Source§fn 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.
Source§impl<T> ArchiveUnsized for Twhere
T: Archive,
impl<T> ArchiveUnsized for Twhere
T: Archive,
Source§type Archived = <T as Archive>::Archived
type Archived = <T as Archive>::Archived
The archived counterpart of this type. Unlike
Archive
, it may be
unsized. Read moreSource§fn archived_metadata(
&self,
) -> <<T as ArchiveUnsized>::Archived as ArchivePointee>::ArchivedMetadata
fn archived_metadata( &self, ) -> <<T as ArchiveUnsized>::Archived as ArchivePointee>::ArchivedMetadata
Creates the archived version of the metadata for this value.
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,
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 moreSource§impl<T> LayoutRaw for T
impl<T> LayoutRaw for T
Source§fn 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.
Source§impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
Source§unsafe 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
Source§fn 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.