Struct Blockhash256 

pub struct Blockhash256(/* private fields */);

A 256-bit hash digest.

See blockhash256.

Implementations

impl Blockhash256

pub fn distance(&self, other: &Self) -> u32

Returns the Hamming distance between two hashes.

Examples

use blockhash::Blockhash256;

let a = Blockhash256::from([
    0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
    0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
    0xff, 0xef, 0xdf, 0xcf, 0xbf, 0xaf, 0x9f, 0x8f,
    0x7f, 0x6f, 0x5f, 0x4f, 0x3f, 0x2f, 0x1f, 0x0f,
]);
let b = Blockhash256::from([
    0x00, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
    0xf8, 0xf9, 0x3a, 0xfb, 0xfc, 0xfd, 0x0e, 0xff,
    0xff, 0xff, 0xdf, 0xcf, 0xbf, 0xaf, 0x9f, 0x8f,
    0x7f, 0x6f, 0x5f, 0x4f, 0x3f, 0x2f, 0x1f, 0x0f,
]);

assert_eq!(a.distance(&b), 11);

Trait Implementations

impl Clone for Blockhash256

fn clone(&self) -> Blockhash256

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Blockhash256

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

Formats the value using the given formatter.

impl Display for Blockhash256

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

Formats the value using the given formatter.

impl From<[u8; 32]> for Blockhash256

fn from(bytes: [u8; 32]) -> Self

Converts to this type from the input type.

impl From<Blockhash256> for [u8; 32]

fn from(hash: Blockhash256) -> Self

Converts to this type from the input type.

impl FromStr for Blockhash256

type Err = BlockhashParseError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type.

impl Hash for Blockhash256

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for Blockhash256

fn cmp(&self, other: &Blockhash256) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for Blockhash256

fn eq(&self, other: &Blockhash256) -> 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.

impl PartialOrd for Blockhash256

fn partial_cmp(&self, other: &Blockhash256) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Copy for Blockhash256

impl Eq for Blockhash256

impl StructuralPartialEq for Blockhash256