Struct Hash

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

Hash type used throughout.

Implementations

impl Hash

pub const EMPTY: Hash = _

The hash for the empty byte range (b"").

pub fn new(buf: impl AsRef<[u8]>) -> Self

Calculate the hash of the provided bytes.

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

Bytes of the hash.

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

Create a Hash from its raw bytes representation.

pub fn to_hex(&self) -> String

Convert the hash to a hex string.

pub fn fmt_short(&self) -> String

Convert to a hex string limited to the first 5bytes for a friendly string representation of the hash.

Trait Implementations

impl AsRef<[u8]> for Hash

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

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

impl Borrow<[u8]> for Hash

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

Immutably borrows from an owned value.

impl Borrow<[u8; 32]> for Hash

fn borrow(&self) -> &[u8; 32]

Immutably borrows from an owned value.

impl Clone for Hash

fn clone(&self) -> Hash

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Hash

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Hash

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>

where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for Hash

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

Formats the value using the given formatter.

impl From<&[u8; 32]> for Hash

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

Converts to this type from the input type.

impl From<[u8; 32]> for Hash

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

Converts to this type from the input type.

impl From<Hash> for [u8; 32]

fn from(value: Hash) -> Self

Converts to this type from the input type.

impl From<Hash> for Hash

fn from(value: Hash) -> Self

Converts to this type from the input type.

impl From<Hash> for Hash

fn from(value: Hash) -> Self

Converts to this type from the input type.

impl FromIterator<Hash> for HashSeq

fn from_iter<T: IntoIterator<Item = Hash>>(iter: T) -> Self

Creates a value from an iterator.

impl FromStr for Hash

type Err = HexOrBase32ParseError

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 Hash

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 Key for Hash

Available on crate feature redb only.

fn compare(data1: &[u8], data2: &[u8]) -> Ordering

Compare data1 with data2

impl MaxSize for Hash

const POSTCARD_MAX_SIZE: usize = 32usize

The maximum possible size that the serialization of this type can have, in bytes.

impl Ord for Hash

fn cmp(&self, other: &Self) -> 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 Hash

fn eq(&self, other: &Hash) -> 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 Hash

fn partial_cmp(&self, other: &Self) -> 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 Serialize for Hash

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>

where S: Serializer,

Serialize this value into the given Serde serializer.

impl Value for Hash

Available on crate feature redb only.

type SelfType<'a> = Hash

SelfType<'a> must be the same type as Self with all lifetimes replaced with ’a

type AsBytes<'a> = &'a [u8; 32]

fn fixed_width() -> Option<usize>

Width of a fixed type, or None for variable width

fn from_bytes<'a>(data: &'a [u8]) -> Self::SelfType<'a>

where Self: 'a,

Deserializes data Implementations may return a view over data, or an owned type

fn as_bytes<'a, 'b: 'a>(value: &'a Self::SelfType<'b>) -> Self::AsBytes<'a>

where Self: 'a + 'b,

Serialize the value to a slice

fn type_name() -> TypeName

Globally unique identifier for this type

impl Copy for Hash

impl Eq for Hash

impl StructuralPartialEq for Hash