Struct Integer 

pub struct Integer(pub Int64Array);

Newtype for R integer vectors backed by Arrow Int64Array.

Wraps Int64Array where NA tracking uses a validity bitmap instead of Option<i64> per element (halving memory for dense integers).

Tuple Fields

0: Int64Array

Implementations

impl Integer

pub fn len(&self) -> usize

Number of elements.

pub fn is_empty(&self) -> bool

True if the buffer is empty.

pub fn get_opt(&self, i: usize) -> Option<i64>

Get element i as Option<i64> by value.

Panics

Panics if i >= len.

pub fn first_opt(&self) -> Option<i64>

Get the first element as Option<i64>.

pub fn iter_opt(&self) -> impl Iterator<Item = Option<i64>> + Clone + '_

Iterate yielding Option<i64> by value.

pub fn iter(&self) -> impl Iterator<Item = Option<i64>> + Clone + '_

Iterate yielding Option<i64> by value (alias for iter_opt).

Matches the iteration signature of the old NullableBuffer::iter().

pub fn is_na(&self, i: usize) -> bool

True if element i is NA.

Panics

Panics if i >= len.

pub fn na_count(&self) -> usize

Number of NA values.

pub fn has_na(&self) -> bool

True if there are any NAs.

pub fn into_vec(self) -> Vec<Option<i64>>

Convert to Vec<Option<i64>>.

pub fn to_option_vec(&self) -> Vec<Option<i64>>

Borrow as Vec<Option<i64>> (allocates).

pub fn values_slice(&self) -> &[i64]

Raw values slice. NA positions hold arbitrary values.

pub fn from_values(values: Vec<i64>) -> Self

Create a buffer from values with no NAs.

pub fn select_indices(&self, indices: &[usize]) -> Integer

Collect indices, producing a new Integer. Out-of-bounds indices become NA.

pub fn set(&mut self, i: usize, val: Option<i64>)

Set element i.

Since Arrow arrays are immutable, this rebuilds the array.

Panics

Panics if i >= len.

pub fn push(&mut self, val: Option<i64>)

Push an element onto the end.

pub fn extend(&mut self, other: &Integer)

Extend this buffer with elements from another.

pub fn truncate(&mut self, len: usize)

Truncate the buffer to len elements.

pub fn reverse(&mut self)

Reverse the buffer in-place.

pub fn slice(&self, offset: usize, length: usize) -> Integer

Extract a sub-range as a new Integer.

pub fn arrow_array(&self) -> &Int64Array

Access the underlying Arrow array.

pub fn new_na(len: usize) -> Self

Create a new Integer of len elements, all NA.

Trait Implementations

impl Clone for Integer

fn clone(&self) -> Integer

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Integer

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

Formats the value using the given formatter.

impl From<Integer> for Vec<Option<i64>>

fn from(i: Integer) -> Self

Converts to this type from the input type.

impl From<PrimitiveArray<Int64Type>> for Integer

fn from(arr: Int64Array) -> Self

Converts to this type from the input type.

impl From<Vec<Option<i64>>> for Integer

fn from(v: Vec<Option<i64>>) -> Self

Converts to this type from the input type.

impl FromIterator<Option<i64>> for Integer

fn from_iter<I: IntoIterator<Item = Option<i64>>>(iter: I) -> Self

Creates a value from an iterator.

impl PartialEq for Integer

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

Tests for self and other values to be equal, and is used by ==.

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

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