Struct arrow::buffer::Buffer

pub struct Buffer<T> { /* fields omitted */ }

Buffer is essentially just a Vec for fixed-width primitive types and the start of the memory region is aligned at a 64-byte boundary

Methods

impl<T> Buffer<T>

pub fn from_raw_parts(data: *const T, len: i32) -> Self

pub fn len(&self) -> i32

pub fn data(&self) -> *const T

pub fn slice(&self, start: usize, end: usize) -> &[T]

pub fn get(&self, i: usize) -> &T

Get a reference to the value at the specified offset

pub fn set(&mut self, i: usize, v: T)

Deprecated method (used by Bitmap)

Important traits for BufferIterator<T>

impl<T> Iterator for BufferIterator<T> where
    T: Copy,  type Item = T;

pub fn iter(&self) -> BufferIterator<T>

Return an iterator over the values in the buffer

Trait Implementations

impl From<Buffer<bool>> for ArrayData

fn from(v: Buffer<bool>) -> Self

Performs the conversion.

impl From<Buffer<f32>> for ArrayData

fn from(v: Buffer<f32>) -> Self

Performs the conversion.

impl From<Buffer<f64>> for ArrayData

fn from(v: Buffer<f64>) -> Self

Performs the conversion.

impl From<Buffer<i8>> for ArrayData

fn from(v: Buffer<i8>) -> Self

Performs the conversion.

impl From<Buffer<i16>> for ArrayData

fn from(v: Buffer<i16>) -> Self

Performs the conversion.

impl From<Buffer<i32>> for ArrayData

fn from(v: Buffer<i32>) -> Self

Performs the conversion.

impl From<Buffer<i64>> for ArrayData

fn from(v: Buffer<i64>) -> Self

Performs the conversion.

impl From<Buffer<u8>> for ArrayData

fn from(v: Buffer<u8>) -> Self

Performs the conversion.

impl From<Buffer<u16>> for ArrayData

fn from(v: Buffer<u16>) -> Self

Performs the conversion.

impl From<Buffer<u32>> for ArrayData

fn from(v: Buffer<u32>) -> Self

Performs the conversion.

impl From<Buffer<u64>> for ArrayData

fn from(v: Buffer<u64>) -> Self

Performs the conversion.

impl From<Buffer<bool>> for Array

fn from(v: Buffer<bool>) -> Self

Performs the conversion.

impl From<Buffer<f32>> for Array

fn from(v: Buffer<f32>) -> Self

Performs the conversion.

impl From<Buffer<f64>> for Array

fn from(v: Buffer<f64>) -> Self

Performs the conversion.

impl From<Buffer<u16>> for Array

fn from(v: Buffer<u16>) -> Self

Performs the conversion.

impl From<Buffer<u32>> for Array

fn from(v: Buffer<u32>) -> Self

Performs the conversion.

impl From<Buffer<u64>> for Array

fn from(v: Buffer<u64>) -> Self

Performs the conversion.

impl From<Buffer<i8>> for Array

fn from(v: Buffer<i8>) -> Self

Performs the conversion.

impl From<Buffer<i16>> for Array

fn from(v: Buffer<i16>) -> Self

Performs the conversion.

impl From<Buffer<i32>> for Array

fn from(v: Buffer<i32>) -> Self

Performs the conversion.

impl From<Buffer<i64>> for Array

fn from(v: Buffer<i64>) -> Self

Performs the conversion.

impl<T> Drop for Buffer<T>

fn drop(&mut self)

Executes the destructor for this type.

impl From<Vec<bool>> for Buffer<bool>

fn from(v: Vec<bool>) -> Self

Performs the conversion.

impl From<Vec<f32>> for Buffer<f32>

fn from(v: Vec<f32>) -> Self

Performs the conversion.

impl From<Vec<f64>> for Buffer<f64>

fn from(v: Vec<f64>) -> Self

Performs the conversion.

impl From<Vec<u8>> for Buffer<u8>

fn from(v: Vec<u8>) -> Self

Performs the conversion.

impl From<Vec<u16>> for Buffer<u16>

fn from(v: Vec<u16>) -> Self

Performs the conversion.

impl From<Vec<u32>> for Buffer<u32>

fn from(v: Vec<u32>) -> Self

Performs the conversion.

impl From<Vec<u64>> for Buffer<u64>

fn from(v: Vec<u64>) -> Self

Performs the conversion.

impl From<Vec<i8>> for Buffer<i8>

fn from(v: Vec<i8>) -> Self

Performs the conversion.

impl From<Vec<i16>> for Buffer<i16>

fn from(v: Vec<i16>) -> Self

Performs the conversion.

impl From<Vec<i32>> for Buffer<i32>

fn from(v: Vec<i32>) -> Self

Performs the conversion.

impl From<Vec<i64>> for Buffer<i64>

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

Performs the conversion.

impl From<Bytes> for Buffer<u8>

fn from(bytes: Bytes) -> Self

Performs the conversion.