polars_arrow::types

Struct Bytes4Alignment4

#[repr(C, align(4))]
pub struct Bytes4Alignment4(/* 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§

impl AlignedBytes for Bytes4Alignment4

const ALIGNMENT: usize = 4usize

const SIZE: usize = 4usize

type Unaligned = [u8; 4]

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

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

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.

impl AsRef<[u8; 4]> for Bytes4Alignment4

fn as_ref(&self) -> &[u8; 4]

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

impl Clone for Bytes4Alignment4

fn clone(&self) -> Bytes4Alignment4

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

impl Debug for Bytes4Alignment4

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

Formats the value using the given formatter. Read more

impl Default for Bytes4Alignment4

fn default() -> Bytes4Alignment4

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

impl From<Bytes4Alignment4> for f32

fn from(value: Bytes4Alignment4) -> Self

Converts to this type from the input type.

impl From<Bytes4Alignment4> for i32

fn from(value: Bytes4Alignment4) -> Self

Converts to this type from the input type.

impl From<Bytes4Alignment4> for u32

fn from(value: Bytes4Alignment4) -> Self

Converts to this type from the input type.

impl From<f32> for Bytes4Alignment4

fn from(value: f32) -> Self

Converts to this type from the input type.

impl From<i32> for Bytes4Alignment4

fn from(value: i32) -> Self

Converts to this type from the input type.

impl From<u32> for Bytes4Alignment4

fn from(value: u32) -> Self

Converts to this type from the input type.

impl PartialEq for Bytes4Alignment4

fn eq(&self, other: &Bytes4Alignment4) -> 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.

impl Zeroable for Bytes4Alignment4

fn zeroed() -> Self

Calls zeroed. Read more

impl AlignedBytesCast<Bytes4Alignment4> for f32

impl AlignedBytesCast<Bytes4Alignment4> for i32

impl AlignedBytesCast<Bytes4Alignment4> for u32

impl Copy for Bytes4Alignment4

impl Eq for Bytes4Alignment4

impl Pod for Bytes4Alignment4

impl StructuralPartialEq for Bytes4Alignment4

Auto Trait Implementations§

impl Freeze for Bytes4Alignment4

impl RefUnwindSafe for Bytes4Alignment4

impl Send for Bytes4Alignment4

impl Sync for Bytes4Alignment4

impl Unpin for Bytes4Alignment4

impl UnwindSafe for Bytes4Alignment4

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

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

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.

fn is_valid_bit_pattern(_bits: &T) -> bool

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

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

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

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

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

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

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

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

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

fn into(self) -> U

Calls U::from(self).

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

impl<T> IntoEither for T

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

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

impl<T> Pointable for T

const ALIGN: usize = _

The alignment of pointer.

type Init = T

The type for initializers.

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

Initializes a with the given initializer. Read more

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

Dereferences the given pointer. Read more

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

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

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

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

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

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

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

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

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

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

The type returned in the event of a conversion error.

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

Performs the conversion.

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

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