Struct hypercore::bitfield::Bitfield

pub struct Bitfield {
    pub tree: SparseBitfield,
    // some fields omitted
}

Bitfield with {data, tree, index} fields.

Fields

tree: SparseBitfield

FIXME: SLEEP protocol tree field.

Implementations

impl Bitfield

pub fn new() -> Self

Create a new instance.

pub fn len(&self) -> u64

Get the current length

pub fn is_empty(&self) -> bool

Returns true if the bitfield is empty

pub fn set(&mut self, index: u64, value: bool) -> Change

Set a value at an index.

pub fn get(&mut self, index: u64) -> bool

Get a value at a position in the bitfield.

pub fn total(&mut self) -> u8

Calculate the total for the whole data.

pub fn total_with_start(&mut self, start: u64) -> u8

Calculate the total of ... TODO(yw)

pub fn total_with_range(&mut self, range: Range<u64>) -> u8

Calculate the total of ... TODO(yw)

pub fn compress(&self, start: usize, length: usize) -> Result<Vec<u8>>

https://github.com/mafintosh/hypercore/blob/06f3a1f573cb74ee8cfab2742455318fbf7cc3a2/lib/bitfield.js#L111-L126

pub fn iterator(&mut self) -> Iterator

Constructs an iterator from start to end

pub fn iterator_with_range(&mut self, start: u64, end: u64) -> Iterator

Constructs an iterator from start to end

Trait Implementations

impl Debug for Bitfield

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

Formats the value using the given formatter.

impl Default for Bitfield

fn default() -> Self

Returns the "default value" for a type.