Struct sp_runtime::generic::Header[−][src]

pub struct Header<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> {
    pub parent_hash: Hash::Output,
    pub number: Number,
    pub state_root: Hash::Output,
    pub extrinsics_root: Hash::Output,
    pub digest: Digest,
}

Expand description

Abstraction over a block header for a substrate chain.

Fields

parent_hash: Hash::Output

The parent hash.

number: Number

The block number.

state_root: Hash::Output

The state trie merkle root

extrinsics_root: Hash::Output

The merkle root of the extrinsics.

digest: Digest

A chain-specific digest of data useful for light clients or referencing auxiliary data.

Implementations

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impl<Number, Hash> Header<Number, Hash> where
 Number: Member + Hash + Copy + MaybeDisplay + AtLeast32BitUnsigned + Codec + Into<U256> + TryFrom<U256>,
 Hash: HashT,
 Hash::Output: Default + Hash + Copy + Member + MaybeDisplay + SimpleBitOps + Codec,

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pub fn hash(&self) -> Hash::Output

Convenience helper for computing the hash of the header without having to import the trait.

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impl Header<u64, BlakeTwo256>

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pub fn new_from_number(number: <Self as Header>::Number) -> Self

A new header with the given number and default hash for all other fields.

Trait Implementations

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impl<Number: Clone + Copy + Into<U256> + TryFrom<U256>, Hash: Clone + HashT> Clone for Header<Number, Hash> where
 Hash::Output: Clone,
 Hash::Output: Clone,
 Hash::Output: Clone,

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fn clone(&self) -> Header<Number, Hash>

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<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Debug for Header<Number, Hash> where
Number: Debug,
Hash: Debug,

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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<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Decode for Header<Number, Hash> where
 Hash::Output: Decode,
 Hash::Output: Decode,
 Hash::Output: Decode,
 Hash::Output: Decode,
 Hash::Output: Decode,
 Hash::Output: Decode,
 Number: HasCompact,

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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<'de, Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Deserialize<'de> for Header<Number, Hash> where
 Hash::Output: Deserialize<'de>,
 Hash::Output: Deserialize<'de>,
 Hash::Output: Deserialize<'de>,

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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<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Encode for Header<Number, Hash> where
 Hash::Output: Encode,
 Hash::Output: Encode,
 Hash::Output: Encode,
 Hash::Output: Encode,
 Hash::Output: Encode,
 Hash::Output: Encode,
 Number: HasCompact,

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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 size_hint(&self) -> usize

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

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

Convert self to an owned vector.

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

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

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fn encoded_size(&self) -> usize

Calculates the encoded size. Read more

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impl<Number, Hash> Header for Header<Number, Hash> where
 Number: Member + MaybeSerializeDeserialize + Debug + Hash + MaybeDisplay + AtLeast32BitUnsigned + Codec + Copy + Into<U256> + TryFrom<U256> + FromStr + MaybeMallocSizeOf,
 Hash: HashT,
 Hash::Output: Default + Hash + Copy + Member + Ord + MaybeSerialize + Debug + MaybeDisplay + SimpleBitOps + Codec + MaybeMallocSizeOf,

type Number = Number

Header number.

type Hash = <Hash as HashT>::Output

Header hash type

type Hashing = Hash

Hashing algorithm

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fn number(&self) -> &Self::Number

Returns a reference to the header number.

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fn set_number(&mut self, num: Self::Number)

Sets the header number.

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fn extrinsics_root(&self) -> &Self::Hash

Returns a reference to the extrinsics root.

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fn set_extrinsics_root(&mut self, root: Self::Hash)

Sets the extrinsic root.

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fn state_root(&self) -> &Self::Hash

Returns a reference to the state root.

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fn set_state_root(&mut self, root: Self::Hash)

Sets the state root.

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fn parent_hash(&self) -> &Self::Hash

Returns a reference to the parent hash.

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fn set_parent_hash(&mut self, hash: Self::Hash)

Sets the parent hash.

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fn digest(&self) -> &Digest

Returns a reference to the digest.

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fn digest_mut(&mut self) -> &mut Digest

Get a mutable reference to the digest.

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fn new(
    number: Self::Number,
    extrinsics_root: Self::Hash,
    state_root: Self::Hash,
    parent_hash: Self::Hash,
    digest: Digest
) -> Self

Creates new header.

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fn hash(&self) -> Self::Hash

Returns the hash of the header.

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impl<Number, Hash> MallocSizeOf for Header<Number, Hash> where
 Number: Copy + Into<U256> + TryFrom<U256> + MallocSizeOf,
 Hash: HashT,
 Hash::Output: MallocSizeOf,

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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. 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<Number: PartialEq + Copy + Into<U256> + TryFrom<U256>, Hash: PartialEq + HashT> PartialEq<Header<Number, Hash>> for Header<Number, Hash> where
 Hash::Output: PartialEq,
 Hash::Output: PartialEq,
 Hash::Output: PartialEq,

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fn eq(&self, other: &Header<Number, Hash>) -> 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: &Header<Number, Hash>) -> bool

This method tests for !=.

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impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Serialize for Header<Number, Hash> where
 Hash::Output: Serialize,
 Hash::Output: Serialize,
 Hash::Output: Serialize,

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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<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> TypeInfo for Header<Number, Hash> where
 Hash::Output: TypeInfo + 'static,
 Number: HasCompact,
 Hash::Output: TypeInfo + 'static,
 Hash::Output: TypeInfo + 'static,
 Number: Copy + Into<U256> + TryFrom<U256> + TypeInfo + 'static,
 Hash: HashT + TypeInfo + 'static,

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<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> EncodeLike<Header<Number, Hash>> for Header<Number, Hash> where
 Hash::Output: Encode,
 Hash::Output: Encode,
 Hash::Output: Encode,
 Hash::Output: Encode,
 Hash::Output: Encode,
 Hash::Output: Encode,
 Number: HasCompact,

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impl<Number: Eq + Copy + Into<U256> + TryFrom<U256>, Hash: Eq + HashT> Eq for Header<Number, Hash> where
 Hash::Output: Eq,
 Hash::Output: Eq,
 Hash::Output: Eq,

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impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> StructuralEq for Header<Number, Hash>

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impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> StructuralPartialEq for Header<Number, Hash>

Auto Trait Implementations

impl<Number, Hash> RefUnwindSafe for Header<Number, Hash> where
Number: RefUnwindSafe,
<Hash as Hash>::Output: RefUnwindSafe,

impl<Number, Hash> Send for Header<Number, Hash> where
Number: Send,

impl<Number, Hash> Sync for Header<Number, Hash> where
Number: Sync,

impl<Number, Hash> Unpin for Header<Number, Hash> where
Number: Unpin,
<Hash as Hash>::Output: Unpin,

impl<Number, Hash> UnwindSafe for Header<Number, Hash> where
Number: UnwindSafe,
<Hash as Hash>::Output: UnwindSafe,

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,

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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,

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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> Conv for T

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fn conv<T>(self) -> T where
Self: Into<T>,

Converts self into T using Into<T>. Read more

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impl<T> Conv for T

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fn conv<T>(self) -> T where
Self: Into<T>,

Converts self into a target type. Read more

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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

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

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pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>ⓘ
Notable traits for Box<W, Global>
`impl<W> Write for Box<W, Global> where W: Write + ?Sized, impl<R> Read for Box<R, Global> where R: Read + ?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

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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

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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

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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

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

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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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pub fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

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impl<T> FmtForward for T

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fn fmt_binary(self) -> FmtBinary<Self> where
Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.

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fn fmt_display(self) -> FmtDisplay<Self> where
Self: Display,

Causes self to use its Display implementation when Debug-formatted. Read more

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fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted. Read more

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fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted. Read more

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fn fmt_octal(self) -> FmtOctal<Self> where
Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.

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fn fmt_pointer(self) -> FmtPointer<Self> where
Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted. Read more

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fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted. Read more

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fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted. Read more

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impl<T> From<T> for T

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pub fn from(t: T) -> T

Performs the conversion.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T where
U: From<T>,

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pub fn into(self) -> U

Performs the conversion.

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impl<T, Outer> IsWrappedBy<Outer> for T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,

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pub fn from_ref(outer: &Outer) -> &T

Get a reference to the inner from the outer.

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pub fn from_mut(outer: &mut Outer) -> &mut T

Get a mutable reference to the inner from the outer.

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impl<T> KeyedVec for T where
T: Codec,

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pub fn to_keyed_vec(&self, prepend_key: &[u8 ]) -> Vec<u8, Global>

Return an encoding of Self prepended by given slice.

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impl<T> MallocSizeOfExt for T where
T: MallocSizeOf,

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fn malloc_size_of(&self) -> usize

Method to launch a heapsize measurement with a fresh state. Read more

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

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fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R

Pipes by value. This is generally the method you want to use. Read more

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fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
R: 'a,

Borrows self and passes that borrow into the pipe function. Read more

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fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more

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fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R where
 Self: Borrow,
 B: 'a + ?Sized,
 R: 'a,

Borrows self, then passes self.borrow() into the pipe function. Read more

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fn pipe_borrow_mut<'a, B, R>(
 &'a mut self,
 func: impl FnOnce(&'a mut B) -> R
) -> R where
 Self: BorrowMut,
 B: 'a + ?Sized,
 R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more

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fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R where
 Self: AsRef,
 U: 'a + ?Sized,
 R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.

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fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R where
 Self: AsMut,
 U: 'a + ?Sized,
 R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function. Read more

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fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
 Self: Deref<Target = T>,
 T: 'a + ?Sized,
 R: 'a,

Borrows self, then passes self.deref() into the pipe function.

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fn pipe_deref_mut<'a, T, R>(
 &'a mut self,
 func: impl FnOnce(&'a mut T) -> R
) -> R where
 Self: DerefMut<Target = T> + Deref,
 T: 'a + ?Sized,
 R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function. Read more

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impl<T> Pipe for T

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fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R

Pipes a value into a function that cannot ordinarily be called in suffix position. Read more

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impl<T> PipeAsRef for T

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fn pipe_as_ref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
 Self: AsRef<T>,
 T: 'a,
 R: 'a,

Pipes a trait borrow into a function that cannot normally be called in suffix position. Read more

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fn pipe_as_mut<'a, T, R>(&'a mut self, func: impl FnOnce(&'a mut T) -> R) -> R where
 Self: AsMut<T>,
 T: 'a,
 R: 'a,

Pipes a trait mutable borrow into a function that cannot normally be called in suffix position. Read more

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impl<T> PipeBorrow for T

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fn pipe_borrow<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
 Self: Borrow<T>,
 T: 'a,
 R: 'a,

Pipes a trait borrow into a function that cannot normally be called in suffix position. Read more

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fn pipe_borrow_mut<'a, T, R>(
 &'a mut self,
 func: impl FnOnce(&'a mut T) -> R
) -> R where
 Self: BorrowMut<T>,
 T: 'a,
 R: 'a,

Pipes a trait mutable borrow into a function that cannot normally be called in suffix position. Read more

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impl<T> PipeDeref for T

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fn pipe_deref<'a, R>(&'a self, func: impl FnOnce(&'a Self::Target) -> R) -> R where
Self: Deref,
R: 'a,

Pipes a dereference into a function that cannot normally be called in suffix position. Read more

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fn pipe_deref_mut<'a, R>(
 &'a mut self,
 func: impl FnOnce(&'a mut Self::Target) -> R
) -> R where
 Self: DerefMut,
 R: 'a,

Pipes a mutable dereference into a function that cannot normally be called in suffix position. Read more

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impl<T> PipeRef for T

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fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
R: 'a,

Pipes a reference into a function that cannot ordinarily be called in suffix position. Read more

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fn pipe_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
R: 'a,

Pipes a mutable reference into a function that cannot ordinarily be called in suffix position. Read more

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impl<T> Same<T> for T

type Output = T

Should always be Self

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impl<T> SaturatedConversion for T

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fn saturated_from<T>(t: T) -> Self where
Self: UniqueSaturatedFrom<T>,

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

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fn saturated_into<T>(self) -> T where
Self: UniqueSaturatedInto<T>,

Consume self to return an equivalent value of T. Read more

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impl<T> Tap for T

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fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more

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fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more

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fn tap_borrow(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow,
B: ?Sized,

Immutable access to the Borrow of a value. Read more

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fn tap_borrow_mut(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut,
B: ?Sized,

Mutable access to the BorrowMut of a value. Read more

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fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more

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fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more

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fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self where
Self: Deref<Target = T>,
T: ?Sized,

Immutable access to the Deref::Target of a value. Read more

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fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self where
Self: DerefMut<Target = T> + Deref,
T: ?Sized,

Mutable access to the Deref::Target of a value. Read more

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fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.

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fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds. Read more

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fn tap_borrow_dbg(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow,
B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds. Read more

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fn tap_borrow_mut_dbg(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut,
B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds. Read more

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fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds. Read more

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fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds. Read more

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fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self where
Self: Deref<Target = T>,
T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds. Read more

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fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self where
Self: DerefMut<Target = T> + Deref,
T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds. Read more

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impl<T> Tap for T

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fn tap<F, R>(self, func: F) -> Self where
F: FnOnce(&Self) -> R,

Provides immutable access for inspection. Read more

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fn tap_dbg<F, R>(self, func: F) -> Self where
F: FnOnce(&Self) -> R,

Calls tap in debug builds, and does nothing in release builds.

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fn tap_mut<F, R>(self, func: F) -> Self where
F: FnOnce(&mut Self) -> R,

Provides mutable access for modification. Read more

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fn tap_mut_dbg<F, R>(self, func: F) -> Self where
F: FnOnce(&mut Self) -> R,

Calls tap_mut in debug builds, and does nothing in release builds.

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impl<T, U> TapAsRef for T where
U: ?Sized,

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fn tap_ref<F, R>(self, func: F) -> Self where
Self: AsRef<T>,
F: FnOnce(&T) -> R,

Provides immutable access to the reference for inspection.

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fn tap_ref_dbg<F, R>(self, func: F) -> Self where
Self: AsRef<T>,
F: FnOnce(&T) -> R,

Calls tap_ref in debug builds, and does nothing in release builds.

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fn tap_ref_mut<F, R>(self, func: F) -> Self where
Self: AsMut<T>,
F: FnOnce(&mut T) -> R,

Provides mutable access to the reference for modification.

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fn tap_ref_mut_dbg<F, R>(self, func: F) -> Self where
Self: AsMut<T>,
F: FnOnce(&mut T) -> R,

Calls tap_ref_mut in debug builds, and does nothing in release builds.

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impl<T, U> TapBorrow for T where
U: ?Sized,

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fn tap_borrow<F, R>(self, func: F) -> Self where
Self: Borrow<T>,
F: FnOnce(&T) -> R,

Provides immutable access to the borrow for inspection. Read more

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fn tap_borrow_dbg<F, R>(self, func: F) -> Self where
Self: Borrow<T>,
F: FnOnce(&T) -> R,

Calls tap_borrow in debug builds, and does nothing in release builds.

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fn tap_borrow_mut<F, R>(self, func: F) -> Self where
Self: BorrowMut<T>,
F: FnOnce(&mut T) -> R,

Provides mutable access to the borrow for modification.

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fn tap_borrow_mut_dbg<F, R>(self, func: F) -> Self where
Self: BorrowMut<T>,
F: FnOnce(&mut T) -> R,

Calls tap_borrow_mut in debug builds, and does nothing in release builds. Read more

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impl<T> TapDeref for T

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fn tap_deref<F, R>(self, func: F) -> Self where
Self: Deref,
F: FnOnce(&Self::Target) -> R,

Immutably dereferences self for inspection.

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fn tap_deref_dbg<F, R>(self, func: F) -> Self where
Self: Deref,
F: FnOnce(&Self::Target) -> R,

Calls tap_deref in debug builds, and does nothing in release builds.

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fn tap_deref_mut<F, R>(self, func: F) -> Self where
Self: DerefMut,
F: FnOnce(&mut Self::Target) -> R,

Mutably dereferences self for modification.

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fn tap_deref_mut_dbg<F, R>(self, func: F) -> Self where
Self: DerefMut,
F: FnOnce(&mut Self::Target) -> R,

Calls tap_deref_mut in debug builds, and does nothing in release builds. Read more

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T> TryConv for T

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fn try_conv<T>(self) -> Result<T, Self::Error> where
Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more

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impl<T> TryConv for T

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fn try_conv<T>(self) -> Result<T, Self::Error> where
Self: TryInto<T>,

Attempts to convert self into a target type. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

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pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

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pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>,

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pub fn unchecked_into(self) -> T

The counterpart to unchecked_from.

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impl<T, S> UniqueSaturatedInto<T> for S where
T: Bounded,
S: TryInto<T>,

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pub fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.

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impl<V, T> VZip<V> for T where
V: MultiLane<T>,

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pub fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

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impl<S> Codec for S where
S: Decode + Encode,

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impl<T> DeserializeOwned for T where
T: for<'de> Deserialize<'de>,

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impl<'_, '_, T> EncodeLike<&'_ &'_ T> for T where
T: Encode,

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impl<'_, T> EncodeLike<&'_ T> for T where
T: Encode,

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impl<'_, T> EncodeLike<&'_ mut T> for T where
T: Encode,

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impl<T> EncodeLike<Arc<T>> for T where
T: Encode,

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impl<T> EncodeLike<Box<T, Global>> for T where
T: Encode,

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impl<'a, T> EncodeLike<Cow<'a, T>> for T where
T: ToOwned + Encode,

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impl<T> EncodeLike<Rc<T>> for T where
T: Encode,

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impl<S> FullCodec for S where
S: Decode + FullEncode,

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impl<S> FullEncode for S where
S: Encode + EncodeLike<S>,

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impl<T> MaybeDebug for T where
T: Debug,

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impl<T> MaybeDebug for T where
T: Debug,

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impl<T> MaybeMallocSizeOf for T where
T: MallocSizeOf,

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impl<T> MaybeRefUnwindSafe for T where
T: RefUnwindSafe,

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impl<T> MaybeSerialize for T where
T: Serialize,

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impl<T> MaybeSerializeDeserialize for T where
T: DeserializeOwned + Serialize,

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impl<T> Member for T where
T: 'static + Send + Sync + Debug + Eq + PartialEq<T> + Clone,

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Struct sp_runtime::generic::Header[−][src]

Fields

Implementations

impl<Number, Hash> Header<Number, Hash> where Number: Member + Hash + Copy + MaybeDisplay + AtLeast32BitUnsigned + Codec + Into<U256> + TryFrom<U256>, Hash: HashT, Hash::Output: Default + Hash + Copy + Member + MaybeDisplay + SimpleBitOps + Codec,

pub fn hash(&self) -> Hash::Output

impl Header<u64, BlakeTwo256>

pub fn new_from_number(number: <Self as Header>::Number) -> Self

Trait Implementations

impl<Number: Clone + Copy + Into<U256> + TryFrom<U256>, Hash: Clone + HashT> Clone for Header<Number, Hash> where Hash::Output: Clone, Hash::Output: Clone, Hash::Output: Clone,

fn clone(&self) -> Header<Number, Hash>

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

impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Debug for Header<Number, Hash> where Number: Debug, Hash: Debug,

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

impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Decode for Header<Number, Hash> where Hash::Output: Decode, Hash::Output: Decode, Hash::Output: Decode, Hash::Output: Decode, Hash::Output: Decode, Hash::Output: Decode, Number: HasCompact,

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

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

fn encoded_fixed_size() -> Option<usize>

impl<'de, Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Deserialize<'de> for Header<Number, Hash> where Hash::Output: Deserialize<'de>, Hash::Output: Deserialize<'de>, Hash::Output: Deserialize<'de>,

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

impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Encode for Header<Number, Hash> where Hash::Output: Encode, Hash::Output: Encode, Hash::Output: Encode, Hash::Output: Encode, Hash::Output: Encode, Hash::Output: Encode, Number: HasCompact,

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

fn size_hint(&self) -> usize

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

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

fn encoded_size(&self) -> usize

type Number = Number

type Hash = <Hash as HashT>::Output

type Hashing = Hash

fn number(&self) -> &Self::Number

fn set_number(&mut self, num: Self::Number)

fn extrinsics_root(&self) -> &Self::Hash

fn set_extrinsics_root(&mut self, root: Self::Hash)

fn state_root(&self) -> &Self::Hash

fn set_state_root(&mut self, root: Self::Hash)

fn parent_hash(&self) -> &Self::Hash

fn set_parent_hash(&mut self, hash: Self::Hash)

fn digest(&self) -> &Digest

fn digest_mut(&mut self) -> &mut Digest

fn new( number: Self::Number, extrinsics_root: Self::Hash, state_root: Self::Hash, parent_hash: Self::Hash, digest: Digest) -> Self

fn hash(&self) -> Self::Hash

impl<Number, Hash> MallocSizeOf for Header<Number, Hash> where Number: Copy + Into<U256> + TryFrom<U256> + MallocSizeOf, Hash: HashT, Hash::Output: MallocSizeOf,

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

fn constant_size() -> Option<usize>

impl<Number: PartialEq + Copy + Into<U256> + TryFrom<U256>, Hash: PartialEq + HashT> PartialEq<Header<Number, Hash>> for Header<Number, Hash> where Hash::Output: PartialEq, Hash::Output: PartialEq, Hash::Output: PartialEq,

fn eq(&self, other: &Header<Number, Hash>) -> bool

fn ne(&self, other: &Header<Number, Hash>) -> bool

impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Serialize for Header<Number, Hash> where Hash::Output: Serialize, Hash::Output: Serialize, Hash::Output: Serialize,

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

type Identity = Self

fn type_info() -> Type

impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> EncodeLike<Header<Number, Hash>> for Header<Number, Hash> where Hash::Output: Encode, Hash::Output: Encode, Hash::Output: Encode, Hash::Output: Encode, Hash::Output: Encode, Hash::Output: Encode, Number: HasCompact,

impl<Number: Eq + Copy + Into<U256> + TryFrom<U256>, Hash: Eq + HashT> Eq for Header<Number, Hash> where Hash::Output: Eq, Hash::Output: Eq, Hash::Output: Eq,

impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> StructuralEq for Header<Number, Hash>

impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> StructuralPartialEq for Header<Number, Hash>

Auto Trait Implementations

impl<Number, Hash> RefUnwindSafe for Header<Number, Hash> where Number: RefUnwindSafe, <Hash as Hash>::Output: RefUnwindSafe,

impl<Number, Hash> Send for Header<Number, Hash> where Number: Send,

impl<Number, Hash> Sync for Header<Number, Hash> where Number: Sync,

impl<Number, Hash> Unpin for Header<Number, Hash> where Number: Unpin, <Hash as Hash>::Output: Unpin,

impl<Number, Hash> UnwindSafe for Header<Number, Hash> where Number: UnwindSafe, <Hash as Hash>::Output: UnwindSafe,

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

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

impl<T> CheckedConversion for T

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

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

impl<T> Conv for T

fn conv<T>(self) -> T where Self: Into<T>,

impl<T> Conv for T

fn conv<T>(self) -> T where Self: Into<T>,

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

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

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

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

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

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

impl<Number, Hash> Header<Number, Hash> where
Number: Member + Hash + Copy + MaybeDisplay + AtLeast32BitUnsigned + Codec + Into<U256> + TryFrom<U256>,
Hash: HashT,
Hash::Output: Default + Hash + Copy + Member + MaybeDisplay + SimpleBitOps + Codec,

impl<Number: Clone + Copy + Into<U256> + TryFrom<U256>, Hash: Clone + HashT> Clone for Header<Number, Hash> where
Hash::Output: Clone,
Hash::Output: Clone,
Hash::Output: Clone,

impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Debug for Header<Number, Hash> where
Number: Debug,
Hash: Debug,

impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Decode for Header<Number, Hash> where
Hash::Output: Decode,
Hash::Output: Decode,
Hash::Output: Decode,
Hash::Output: Decode,
Hash::Output: Decode,
Hash::Output: Decode,
Number: HasCompact,

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

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

impl<'de, Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Deserialize<'de> for Header<Number, Hash> where
Hash::Output: Deserialize<'de>,
Hash::Output: Deserialize<'de>,
Hash::Output: Deserialize<'de>,

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

impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Encode for Header<Number, Hash> where
Hash::Output: Encode,
Hash::Output: Encode,
Hash::Output: Encode,
Hash::Output: Encode,
Hash::Output: Encode,
Hash::Output: Encode,
Number: HasCompact,

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

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

fn new(
number: Self::Number,
extrinsics_root: Self::Hash,
state_root: Self::Hash,
parent_hash: Self::Hash,
digest: Digest
) -> Self

impl<Number, Hash> MallocSizeOf for Header<Number, Hash> where
Number: Copy + Into<U256> + TryFrom<U256> + MallocSizeOf,
Hash: HashT,
Hash::Output: MallocSizeOf,

impl<Number: PartialEq + Copy + Into<U256> + TryFrom<U256>, Hash: PartialEq + HashT> PartialEq<Header<Number, Hash>> for Header<Number, Hash> where
Hash::Output: PartialEq,
Hash::Output: PartialEq,
Hash::Output: PartialEq,

impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Serialize for Header<Number, Hash> where
Hash::Output: Serialize,
Hash::Output: Serialize,
Hash::Output: Serialize,

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

impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> EncodeLike<Header<Number, Hash>> for Header<Number, Hash> where
Hash::Output: Encode,
Hash::Output: Encode,
Hash::Output: Encode,
Hash::Output: Encode,
Hash::Output: Encode,
Hash::Output: Encode,
Number: HasCompact,

impl<Number: Eq + Copy + Into<U256> + TryFrom<U256>, Hash: Eq + HashT> Eq for Header<Number, Hash> where
Hash::Output: Eq,
Hash::Output: Eq,
Hash::Output: Eq,

impl<Number, Hash> RefUnwindSafe for Header<Number, Hash> where
Number: RefUnwindSafe,
<Hash as Hash>::Output: RefUnwindSafe,

impl<Number, Hash> Send for Header<Number, Hash> where
Number: Send,

impl<Number, Hash> Sync for Header<Number, Hash> where
Number: Sync,

impl<Number, Hash> Unpin for Header<Number, Hash> where
Number: Unpin,
<Hash as Hash>::Output: Unpin,

impl<Number, Hash> UnwindSafe for Header<Number, Hash> where
Number: UnwindSafe,
<Hash as Hash>::Output: UnwindSafe,

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

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

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

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

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

fn conv<T>(self) -> T where
Self: Into<T>,

fn conv<T>(self) -> T where
Self: Into<T>,

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

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

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

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

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

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

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

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

impl<T> DynClone for T where
T: Clone,

impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

fn fmt_binary(self) -> FmtBinary<Self> where
Self: Binary,

fn fmt_display(self) -> FmtDisplay<Self> where
Self: Display,

fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,

fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
Self: LowerHex,

fn fmt_octal(self) -> FmtOctal<Self> where
Self: Octal,

fn fmt_pointer(self) -> FmtPointer<Self> where
Self: Pointer,

fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
Self: UpperExp,

fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T, Outer> IsWrappedBy<Outer> for T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,

impl<T> KeyedVec for T where
T: Codec,

pub fn to_keyed_vec(&self, prepend_key: &[u8 ]) -> Vec<u8, Global>

impl<T> MallocSizeOfExt for T where
T: MallocSizeOf,

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

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
R: 'a,

fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
R: 'a,

fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R where
Self: Borrow<B>,
B: 'a + ?Sized,
R: 'a,

fn pipe_borrow_mut<'a, B, R>(
&'a mut self,
func: impl FnOnce(&'a mut B) -> R
) -> R where
Self: BorrowMut<B>,
B: 'a + ?Sized,
R: 'a,

fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R where
Self: AsRef<U>,
U: 'a + ?Sized,
R: 'a,

fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R where
Self: AsMut<U>,
U: 'a + ?Sized,
R: 'a,

fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
Self: Deref<Target = T>,
T: 'a + ?Sized,
R: 'a,

fn pipe_deref_mut<'a, T, R>(
&'a mut self,
func: impl FnOnce(&'a mut T) -> R
) -> R where
Self: DerefMut<Target = T> + Deref,
T: 'a + ?Sized,
R: 'a,

fn pipe_as_ref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
Self: AsRef<T>,
T: 'a,
R: 'a,

fn pipe_as_mut<'a, T, R>(&'a mut self, func: impl FnOnce(&'a mut T) -> R) -> R where
Self: AsMut<T>,
T: 'a,
R: 'a,

fn pipe_borrow<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
Self: Borrow<T>,
T: 'a,
R: 'a,

fn pipe_borrow_mut<'a, T, R>(
&'a mut self,
func: impl FnOnce(&'a mut T) -> R
) -> R where
Self: BorrowMut<T>,
T: 'a,
R: 'a,

fn pipe_deref<'a, R>(&'a self, func: impl FnOnce(&'a Self::Target) -> R) -> R where
Self: Deref,
R: 'a,

fn pipe_deref_mut<'a, R>(
&'a mut self,
func: impl FnOnce(&'a mut Self::Target) -> R
) -> R where
Self: DerefMut,
R: 'a,

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
R: 'a,

fn pipe_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
R: 'a,