polars_arrow::types

Struct Bytes12Alignment4

Source 
#[repr(C, align(4))]
pub struct Bytes12Alignment4(/* private fields */);
Expand description

Bytes with a size and alignment.

This is used to reduce the monomorphizations for routines that solely rely on the size and alignment of types.

Trait Implementations§

Source§

impl AlignedBytes for Bytes12Alignment4

Source§

const ALIGNMENT: usize = 4usize

Source§

const SIZE: usize = 12usize

Source§

type Unaligned = [u8; 12]

Source§

fn to_unaligned(&self) -> Self::Unaligned

Source§

fn from_unaligned(unaligned: Self::Unaligned) -> Self

Source§

fn cast_vec_ref_mut<T: AlignedBytesCast<Self>>( vec: &mut Vec<T>, ) -> &mut Vec<Self>

Safely cast a mutable reference to a Vec of T to a mutable reference of Self.
Source§

impl AsRef<[u8; 12]> for Bytes12Alignment4

Source§

fn as_ref(&self) -> &[u8; 12]

Converts this type into a shared reference of the (usually inferred) input type.
Source§

impl Clone for Bytes12Alignment4

Source§

fn clone(&self) -> Bytes12Alignment4

Returns a copy of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
Source§

impl Debug for Bytes12Alignment4

Source§

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

Formats the value using the given formatter. Read more
Source§

impl Default for Bytes12Alignment4

Source§

fn default() -> Bytes12Alignment4

Returns the “default value” for a type. Read more
Source§

impl From<[u32; 3]> for Bytes12Alignment4

Source§

fn from(value: [u32; 3]) -> Self

Converts to this type from the input type.
Source§

impl From<Bytes12Alignment4> for [u32; 3]

Source§

fn from(value: Bytes12Alignment4) -> Self

Converts to this type from the input type.
Source§

impl PartialEq for Bytes12Alignment4

Source§

fn eq(&self, other: &Bytes12Alignment4) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
Source§

impl Zeroable for Bytes12Alignment4

Source§

fn zeroed() -> Self

Calls zeroed. Read more
Source§

impl AlignedBytesCast<Bytes12Alignment4> for [u32; 3]

Source§

impl Copy for Bytes12Alignment4

Source§

impl Eq for Bytes12Alignment4

Source§

impl Pod for Bytes12Alignment4

Source§

impl StructuralPartialEq for Bytes12Alignment4

Auto Trait Implementations§

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

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

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

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

Source§

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

Mutably borrows from an owned value. Read more
Source§

impl<T> CheckedBitPattern for T
where T: AnyBitPattern,

Source§

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.
Source§

fn is_valid_bit_pattern(_bits: &T) -> bool

If this function returns true, then it must be valid to reinterpret bits as &Self.
Source§

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

Source§

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
Source§

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

Source§

fn __clone_box(&self, _: Private) -> *mut ()

Source§

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

Source§

fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

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

Source§

fn into(self) -> U

Calls U::from(self).

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

Source§

impl<T> IntoEither for T

Source§

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 more
Source§

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

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 more
Source§

impl<T> Pointable for T

Source§

const ALIGN: usize = _

The alignment of pointer.
Source§

type Init = T

The type for initializers.
Source§

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

Initializes a with the given initializer. Read more
Source§

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

Dereferences the given pointer. Read more
Source§

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

Mutably dereferences the given pointer. Read more
Source§

unsafe fn drop(ptr: usize)

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

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

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
Source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
Source§

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

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

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

Source§

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

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
Source§

impl<T> AnyBitPattern for T
where T: Pod,

Source§

impl<T> NoUninit for T
where T: Pod,