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Zero

rkyv::niche::niching

Struct Zero 

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pub struct Zero;
Expand description

Niching for zero-niched values.

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impl Niching<NonZero<i8>> for Zero

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unsafe fn is_niched(niched: *const NonZeroI8) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<NonZeroI8>)

Writes data to out indicating that a T is niched.
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impl Niching<NonZero<u8>> for Zero

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unsafe fn is_niched(niched: *const NonZeroU8) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<NonZeroU8>)

Writes data to out indicating that a T is niched.
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impl Niching<NonZeroI128_ule> for Zero

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unsafe fn is_niched(niched: *const ArchivedNonZeroI128) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<ArchivedNonZeroI128>)

Writes data to out indicating that a T is niched.
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impl Niching<NonZeroI16_ule> for Zero

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unsafe fn is_niched(niched: *const ArchivedNonZeroI16) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<ArchivedNonZeroI16>)

Writes data to out indicating that a T is niched.
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impl Niching<NonZeroI32_ule> for Zero

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unsafe fn is_niched(niched: *const ArchivedNonZeroI32) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<ArchivedNonZeroI32>)

Writes data to out indicating that a T is niched.
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impl Niching<NonZeroI64_ule> for Zero

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unsafe fn is_niched(niched: *const ArchivedNonZeroI64) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<ArchivedNonZeroI64>)

Writes data to out indicating that a T is niched.
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impl Niching<NonZeroU128_ule> for Zero

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unsafe fn is_niched(niched: *const ArchivedNonZeroU128) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<ArchivedNonZeroU128>)

Writes data to out indicating that a T is niched.
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impl Niching<NonZeroU16_ule> for Zero

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unsafe fn is_niched(niched: *const ArchivedNonZeroU16) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<ArchivedNonZeroU16>)

Writes data to out indicating that a T is niched.
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impl Niching<NonZeroU32_ule> for Zero

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unsafe fn is_niched(niched: *const ArchivedNonZeroU32) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<ArchivedNonZeroU32>)

Writes data to out indicating that a T is niched.
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impl Niching<NonZeroU64_ule> for Zero

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unsafe fn is_niched(niched: *const ArchivedNonZeroU64) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<ArchivedNonZeroU64>)

Writes data to out indicating that a T is niched.

Auto Trait Implementations§

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impl Freeze for Zero

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impl RefUnwindSafe for Zero

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impl Send for Zero

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impl Sync for Zero

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impl Unpin for Zero

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impl UnsafeUnpin for Zero

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impl UnwindSafe for Zero

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> 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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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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> LayoutRaw for T

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fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>

Returns the layout of the type.
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impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
where T: SharedNiching<N1, N2>, N1: Niching<T>, N2: Niching<T>,

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unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<NichedOption<T, N1>>)

Writes data to out indicating that a T is niched.
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impl<T> Pointee for T

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type Metadata = ()

The metadata type for pointers and references to this type.
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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.