Struct Digest 

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

Fixed-size hash output.

Used as the prev_hash and hash fields on every crate::Record.

Example

use audit_trail::Digest;

let zero = Digest::ZERO;
assert_eq!(zero.as_bytes(), &[0u8; 32]);

Implementations

impl Digest

pub const ZERO: Self

All-zero digest. Used as the prev_hash of the genesis record.

pub const fn from_bytes(bytes: [u8; 32]) -> Self

Construct a digest from raw bytes.

Example

use audit_trail::Digest;
let d = Digest::from_bytes([1u8; 32]);
assert_eq!(d.as_bytes()[0], 1);

pub const fn as_bytes(&self) -> &[u8; 32]

Borrow the underlying bytes.

pub const fn into_bytes(self) -> [u8; 32]

Consume the digest and return the underlying bytes.

Trait Implementations

impl AsRef<[u8]> for Digest

fn as_ref(&self) -> &[u8]

Converts this type into a shared reference of the (usually inferred) input type.

impl Clone for Digest

fn clone(&self) -> Digest

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Digest

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

Formats the value using the given formatter.

impl Default for Digest

fn default() -> Self

Returns the “default value” for a type.

impl Hash for Digest

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 LowerHex for Digest

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

Formats the value using the given formatter.

impl PartialEq for Digest

fn eq(&self, other: &Digest) -> 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 Copy for Digest

impl Eq for Digest

impl StructuralPartialEq for Digest