Struct zerovec::ule::NichedOption

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#[repr(transparent)]
pub struct NichedOption<U, const N: usize>(pub Option<U>);
Expand description

Optional type which uses NichedOptionULE<U,N> as ULE type.

The implementors guarantee that N == core::mem::size_of::<Self>() [repr(transparent)] guarantees that the layout is same as Option<U>

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§0: Option<U>

Trait Implementations§

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impl<U: AsULE, const N: usize> AsULE for NichedOption<U, N>
where U::ULE: NicheBytes<N>,

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type ULE = NichedOptionULE<<U as AsULE>::ULE, N>

The ULE type corresponding to Self. Read more
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fn to_unaligned(self) -> Self::ULE

Converts from Self to Self::ULE. Read more
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fn from_unaligned(unaligned: Self::ULE) -> Self

Converts from Self::ULE to Self. Read more
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impl<U: Clone, const N: usize> Clone for NichedOption<U, N>

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fn clone(&self) -> NichedOption<U, N>

Returns a copy 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<U: Debug, const N: usize> Debug for NichedOption<U, N>

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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<U, const N: usize> Default for NichedOption<U, N>

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'de, U, const N: usize> Deserialize<'de> for NichedOption<U, N>
where U: Deserialize<'de>,

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl<U: Hash, const N: usize> Hash for NichedOption<U, N>

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<U: PartialEq, const N: usize> PartialEq for NichedOption<U, N>

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fn eq(&self, other: &NichedOption<U, N>) -> 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<U, const N: usize> Serialize for NichedOption<U, N>
where U: Serialize,

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl<U: Copy, const N: usize> Copy for NichedOption<U, N>

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impl<U: Eq, const N: usize> Eq for NichedOption<U, N>

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impl<U, const N: usize> StructuralPartialEq for NichedOption<U, N>

Auto Trait Implementations§

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impl<U, const N: usize> Freeze for NichedOption<U, N>
where U: Freeze,

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impl<U, const N: usize> RefUnwindSafe for NichedOption<U, N>
where U: RefUnwindSafe,

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impl<U, const N: usize> Send for NichedOption<U, N>
where U: Send,

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impl<U, const N: usize> Sync for NichedOption<U, N>
where U: Sync,

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impl<U, const N: usize> Unpin for NichedOption<U, N>
where U: Unpin,

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impl<U, const N: usize> UnwindSafe for NichedOption<U, N>
where U: UnwindSafe,

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> 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, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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> 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<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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impl<T> ErasedDestructor for T
where T: 'static,