Struct Digest

pub struct Digest<Hash> {
    pub logs: Vec<DigestItem<Hash>>,
}

Generic header digest.

Fields

logs: Vec<DigestItem<Hash>>

A list of logs in the digest.

Implementations

impl<Hash> Digest<Hash>

pub fn logs(&self) -> &[DigestItem<Hash>]

Get reference to all digest items.

pub fn push(&mut self, item: DigestItem<Hash>)

Push new digest item.

pub fn pop(&mut self) -> Option<DigestItem<Hash>>

Pop a digest item.

pub fn log<T: ?Sized, F: Fn(&DigestItem<Hash>) -> Option<&T>>( &self, predicate: F, ) -> Option<&T>

Get reference to the first digest item that matches the passed predicate.

pub fn convert_first<T, F: Fn(&DigestItem<Hash>) -> Option<T>>( &self, predicate: F, ) -> Option<T>

Get a conversion of the first digest item that successfully converts using the function.

Trait Implementations

impl<Hash: Clone> Clone for Digest<Hash>

fn clone(&self) -> Digest<Hash>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<Hash> Debug for Digest<Hash>

where Hash: Debug,

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

Formats the value using the given formatter.

impl<Hash> Decode for Digest<Hash>

where Vec<DigestItem<Hash>>: Decode,

fn decode<__CodecInputEdqy: Input>( __codec_input_edqy: &mut __CodecInputEdqy, ) -> Result<Self, Error>

Attempt to deserialise the value from input.

fn skip<I>(input: &mut I) -> Result<(), Error>

where I: Input,

Attempt to skip the encoded value from input.

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type.

impl<Item> Default for Digest<Item>

fn default() -> Self

Returns the “default value” for a type.

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

where Hash: Codec,

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<Hash> Encode for Digest<Hash>

where Vec<DigestItem<Hash>>: Encode,

fn encode_to<__CodecOutputEdqy: Output + ?Sized>( &self, __codec_dest_edqy: &mut __CodecOutputEdqy, )

Convert self to a slice and append it to the destination.

fn encode(&self) -> Vec<u8>

Convert self to an owned vector.

fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R

Convert self to a slice and then invoke the given closure with it.

fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding.

fn encoded_size(&self) -> usize

Calculates the encoded size.

impl<Hash> MallocSizeOf for Digest<Hash>

where Hash: MallocSizeOf,

fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize

Measure the heap usage of all descendant heap-allocated structures, but not the space taken up by the value itself. If T::size_of is a constant, consider implementing constant_size as well.

fn constant_size() -> Option<usize>

where Self: Sized,

Used to optimize MallocSizeOf implementation for collections like Vec and HashMap to avoid iterating over them unnecessarily. The Self: Sized bound is for object safety.

impl<Hash: PartialEq> PartialEq for Digest<Hash>

fn eq(&self, other: &Digest<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<Hash> Serialize for Digest<Hash>

where Hash: Codec,

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl<Hash> EncodeLike for Digest<Hash>

where Vec<DigestItem<Hash>>: Encode,

impl<Hash: Eq> Eq for Digest<Hash>

impl<Hash> StructuralPartialEq for Digest<Hash>