Struct KeyValueArray 

pub struct KeyValueArray<K: ArrayType<K>, V: ArrayType<V>, Buffer: BufferType> { /* private fields */ }

Available on crate feature map only.

Trait Implementations

impl<K: ArrayType<K>, V: ArrayType<V>, Buffer: BufferType> Clone for KeyValueArray<K, V, Buffer>

where <K as ArrayType<K>>::Array<Buffer, NA, NA>: Clone, <V as ArrayType<V>>::Array<Buffer, NA, NA>: Clone,

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<K: ArrayType<K>, V: ArrayType<V>, Buffer: BufferType> Default for KeyValueArray<K, V, Buffer>

where <K as ArrayType<K>>::Array<Buffer, NA, NA>: Default, <V as ArrayType<V>>::Array<Buffer, NA, NA>: Default,

fn default() -> Self

Returns the “default value” for a type.

impl<K: ArrayType<K>, V: ArrayType<V>, Buffer: BufferType> Extend<KeyValue<K, V>> for KeyValueArray<K, V, Buffer>

where <K as ArrayType<K>>::Array<Buffer, NA, NA>: Extend<K>, <V as ArrayType<V>>::Array<Buffer, NA, NA>: Extend<V>,

fn extend<_I: IntoIterator<Item = KeyValue<K, V>>>(&mut self, iter: _I)

Extends a collection with the contents of an iterator.

fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

🔬This is a nightly-only experimental API. (extend_one)

Reserves capacity in a collection for the given number of additional elements.

impl<K: ArrayType<K>, V: ArrayType<V>, Buffer: BufferType> From<KeyValueArray<K, V, Buffer>> for Vec<Arc<dyn Array>>

where <K as ArrayType<K>>::Array<Buffer, NA, NA>: Into<Arc<dyn Array>>, <V as ArrayType<V>>::Array<Buffer, NA, NA>: Into<Arc<dyn Array>>,

fn from(value: KeyValueArray<K, V, Buffer>) -> Self

Converts to this type from the input type.

impl<K: ArrayType<K>, V: ArrayType<V>, Buffer: BufferType> From<Vec<Arc<dyn Array>>> for KeyValueArray<K, V, Buffer>

where <K as ArrayType<K>>::Array<Buffer, NA, NA>: From<Arc<dyn Array>>, <V as ArrayType<V>>::Array<Buffer, NA, NA>: From<Arc<dyn Array>>,

fn from(value: Vec<Arc<dyn Array>>) -> Self

Converts to this type from the input type.

impl<K: ArrayType<K>, V: ArrayType<V>, Buffer: BufferType> FromIterator<KeyValue<K, V>> for KeyValueArray<K, V, Buffer>

where <K as ArrayType<K>>::Array<Buffer, NA, NA>: Default + Extend<K>, <V as ArrayType<V>>::Array<Buffer, NA, NA>: Default + Extend<V>,

fn from_iter<_I: IntoIterator<Item = KeyValue<K, V>>>(iter: _I) -> Self

Creates a value from an iterator.

impl<K: ArrayType<K>, V: ArrayType<V>, Buffer: BufferType> IntoIterator for KeyValueArray<K, V, Buffer>

where <K as ArrayType<K>>::Array<Buffer, NA, NA>: IntoIterator<Item = K>, <V as ArrayType<V>>::Array<Buffer, NA, NA>: IntoIterator<Item = V>,

type Item = KeyValue<K, V>

The type of the elements being iterated over.

type IntoIter = KeyValueArrayIter<K, V, Buffer>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl<K: ArrayType<K>, V: ArrayType<V>, Buffer: BufferType> Length for KeyValueArray<K, V, Buffer>

where <K as ArrayType<K>>::Array<Buffer, NA, NA>: Length, <V as ArrayType<V>>::Array<Buffer, NA, NA>: Length,

fn len(&self) -> usize

Returns the number of elements in the collection, also referred to as its length.

fn is_empty(&self) -> bool

Returns true if there are no elements in the collection.

impl<K: ArrayType<K>, V: ArrayType<V>, Buffer: BufferType> StructArrayTypeFields for KeyValueArray<K, V, Buffer>

where <K as ArrayType<K>>::Array<Buffer, NA, NA>: Array, <V as ArrayType<V>>::Array<Buffer, NA, NA>: Array,

const NAMES: &'static [&'static str]

Available on crate feature arrow-rs only.

The names of the fields.

fn fields() -> Fields

Available on crate feature arrow-rs only.

Returns the fields of this struct array.