polars_arrow::types

Struct Bytes8Alignment4

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#[repr(C, align(4))]
pub struct Bytes8Alignment4(/* 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.

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impl AlignedBytes for Bytes8Alignment4

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const ALIGNMENT: usize = 4usize

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const SIZE: usize = 8usize

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type Unaligned = [u8; 8]

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

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

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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.
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impl AsRef<[u8; 8]> for Bytes8Alignment4

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fn as_ref(&self) -> &[u8; 8]

Converts this type into a shared reference of the (usually inferred) input type.
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impl Clone for Bytes8Alignment4

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fn clone(&self) -> Bytes8Alignment4

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 Debug for Bytes8Alignment4

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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 Default for Bytes8Alignment4

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fn default() -> Bytes8Alignment4

Returns the “default value” for a type. Read more
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impl From<Bytes8Alignment4> for days_ms

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fn from(value: Bytes8Alignment4) -> Self

Converts to this type from the input type.
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impl From<days_ms> for Bytes8Alignment4

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fn from(value: days_ms) -> Self

Converts to this type from the input type.
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impl PartialEq for Bytes8Alignment4

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fn eq(&self, other: &Bytes8Alignment4) -> 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 Zeroable for Bytes8Alignment4

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fn zeroed() -> Self

Calls zeroed. Read more
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impl AlignedBytesCast<Bytes8Alignment4> for days_ms

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impl Copy for Bytes8Alignment4

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impl Eq for Bytes8Alignment4

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impl Pod for Bytes8Alignment4

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impl StructuralPartialEq for Bytes8Alignment4

Auto Trait Implementations§

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> CheckedBitPattern for T
where T: AnyBitPattern,

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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.
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fn is_valid_bit_pattern(_bits: &T) -> bool

If this function returns true, then it must be valid to reinterpret bits as &Self.
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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> DynClone for T
where T: Clone,

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

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

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

Compare self to key and return true if they are equal.
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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> IntoEither for T

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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
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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
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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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> AnyBitPattern for T
where T: Pod,

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