Struct Nullable

pub struct Nullable;

Nullable types.

Implements Nullability to provide:

• Nullable::Item<T> = Option<T>
• Nullable::Collection<T, Buffer> = Validity<T, Buffer>

Trait Implementations

impl Clone for Nullable

fn clone(&self) -> Nullable

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Nullable

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

Formats the value using the given formatter.

impl Nullability for Nullable

type Item<T> = Option<T>

Nullable items are wrapped in an Option.

type Collection<T, Buffer: BufferType> = Validity<T, Buffer>

Nullable collections are wrapped together with a crate::bitmap::Bitmap.

const NULLABLE: bool = true

true iff this is Nullable.

impl Copy for Nullable