Struct sp_trie::Recorder

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pub struct Recorder<HO> { /* private fields */ }

Expand description

Various re-exports from the trie-db crate. Records trie nodes as they pass it.

Implementations

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impl<HO> Recorder<HO> where
HO: Copy,

Various re-exports from the trie-db crate.

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pub fn new() -> Recorder<HO>

Create a new Recorder which records all given nodes.

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pub fn with_depth(depth: u32) -> Recorder<HO>

Create a Recorder which only records nodes beyond a given depth.

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pub fn record(&mut self, hash: &HO, data: &[u8 ], depth: u32)

Record a visited node, given its hash, data, and depth.

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pub fn drain(&mut self) -> Vec<Record<HO>, Global>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

Drain all visited records.

Trait Implementations

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impl<HO> Debug for Recorder<HO> where
HO: Debug,

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

Formats the value using the given formatter. Read more

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impl<HO> Default for Recorder<HO> where
HO: Copy,

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pub fn default() -> Recorder<HO>

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

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impl<'a, H> Query<H> for &'a mut Recorder<<H as Hasher>::Out> where
H: Hasher,

type Item = Vec<u8, Global>

Output item.

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pub fn decode(self, value: &[u8 ]) -> Vec<u8, Global>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

Decode a byte-slice into the desired item.

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pub fn record(&mut self, hash: &<H as Hasher>::Out, data: &[u8 ], depth: u32)

Record that a node has been passed through.

Auto Trait Implementations

impl<HO> RefUnwindSafe for Recorder<HO> where
HO: RefUnwindSafe,

impl<HO> Send for Recorder<HO> where
HO: Send,

impl<HO> Sync for Recorder<HO> where
HO: Sync,

impl<HO> Unpin for Recorder<HO> where
HO: Unpin,

impl<HO> UnwindSafe for Recorder<HO> where
HO: 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,

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> 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<I, A> Iterator for Box<I, A> where I: Iterator + ?Sized, A: Allocator, type Item = ::Item;impl<F, A> Future for Box<F, A> where F: Future + Unpin + ?Sized, A: Allocator + 'static, type Output = <F as Future>::Output;`

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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