Struct sp_runtime::Digest

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

Expand description

Generic header digest.

Fields

logs: Vec<DigestItem>

A list of logs in the digest.

Implementations

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impl Digest

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

Get reference to all digest items.

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

Push new digest item.

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

Pop a digest item.

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

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

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

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

Trait Implementations

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impl Clone for Digest

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fn clone(&self) -> Digest

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

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impl Debug for Digest

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

Formats the value using the given formatter. Read more

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impl Decode for Digest

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

Attempt to deserialise the value from input.

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

Attempt to skip the encoded value from input. Read more

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fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type. Read more

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impl Default for Digest

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fn default() -> Digest

Returns the “default value” for a type. Read more

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

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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where
__D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

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impl Encode for Digest

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

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

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fn encode(&self) -> Vec<u8>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

Convert self to an owned vector.

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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.

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fn size_hint(&self) -> usize

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

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fn encoded_size(&self) -> usize

Calculates the encoded size. Read more

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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. Read more

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fn constant_size() -> Option<usize>

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. Read more

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impl PartialEq<Digest> for Digest

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

This method tests for self and other values to be equal, and is used by ==. Read more

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fn ne(&self, other: &Digest) -> bool

This method tests for !=.

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impl Serialize for Digest

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

Serialize this value into the given Serde serializer. Read more

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impl TypeInfo for Digest

type Identity = Self

The type identifying for which type info is provided. Read more

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fn type_info() -> Type

Returns the static type identifier for Self.

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impl StructuralPartialEq for Digest

Auto Trait Implementations

impl RefUnwindSafe for Digest

impl Send for Digest

impl Sync for Digest

impl Unpin for Digest

impl UnwindSafe for Digest

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> CheckedConversion for T

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fn checked_from<T>(t: T) -> Option<Self> where
Self: TryFrom<T>,

Convert from a value of T into an equivalent instance of Option<Self>. Read more

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fn checked_into<T>(self) -> Option<T> where
Self: TryInto<T>,

Consume self to return Some equivalent value of Option<T>. Read more

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impl<T> Clear for T where
T: Default + Eq + PartialEq<T>,

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fn is_clear(&self) -> bool

True iff no bits are set.

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fn clear() -> Self

Return the value of Self that is clear.

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impl<T> DecodeAll for T where
T: Decode,

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pub fn decode_all(input: &[u8 ]) -> Result<T, Error>

Decode Self and consume all of the given input data. Read more

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impl<T> DecodeLimit for T where
T: Decode,

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pub fn decode_all_with_depth_limit(limit: u32, input: &[u8 ]) -> Result<T, Error>

Decode Self and consume all of the given input data. Read more

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pub fn decode_and_advance_with_depth_limit(
 limit: u32,
 input: &mut I
) -> Result<T, Error> where
 I: Input,

Decode Self and advance input by the number of bytes consumed. Read more

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pub fn decode_with_depth_limit(limit: u32, input: &[u8 ]) -> Result<T, Error>

Decode Self with the given maximum recursion depth. Read more

impl<T> Downcast for T where
T: Any,

pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>ⓘ
Notable traits for Box<R, Global>
`impl<R> Read for Box<R, Global> where R: Read + ?Sized, impl<W> Write for Box<W, Global> where W: Write + ?Sized, impl<F, A> Future for Box<F, A> where F: Future + Unpin + ?Sized, A: Allocator + 'static, type Output = <F as Future>::Output;impl<I, A> Iterator for Box<I, A> where I: Iterator + ?Sized, A: Allocator, type Item = ::Item;`

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait. Read more

pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait. Read more

pub fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s. Read more

pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s. Read more

impl<T> DowncastSync for T where
T: Any + Send + Sync,

pub fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send + 'static>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait. Read more

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