Struct sp_trie::TrieStream

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pub struct TrieStream { /* private fields */ }

Expand description

Codec-flavored TrieStream.

Implementations

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impl TrieStream

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pub fn as_raw(&self) -> &[u8 ]ⓘNotable traits for &'_ [u8 ]`impl<'_> Read for &'_ [u8]impl<'_> Write for &'_ mut [u8]`

Trait Implementations

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impl Clone for TrieStream

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fn clone(&self) -> TrieStream

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 Default for TrieStream

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fn default() -> TrieStream

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

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impl TrieStream for TrieStream

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fn new() -> Self

Construct a new TrieStream

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fn append_empty_data(&mut self)

Append an Empty node

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fn append_leaf(&mut self, key: &[u8 ], value: &[u8 ])

Append a Leaf node

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fn begin_branch(
 &mut self,
 maybe_partial: Option<&[u8 ]>,
 maybe_value: Option<&[u8 ]>,
 has_children: impl Iterator<Item = bool>
)

Start a new Branch node, possibly with a value; takes a list indicating which slots in the Branch node has further child nodes. Read more

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fn append_extension(&mut self, _key: &[u8 ])

Append an Extension node

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fn append_substream<H: Hasher>(&mut self, other: Self)

Append a Branch of Extension substream

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

Return the finished TrieStream as a vector of bytes.

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fn append_empty_child(&mut self)

Append an empty child node. Optional.

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fn end_branch(&mut self, _value: Option<&[u8 ]>)

Wrap up a Branch node portion of a TrieStream and append the value stored on the Branch (if any). Read more

Auto Trait Implementations

impl RefUnwindSafe for TrieStream

impl Send for TrieStream

impl Sync for TrieStream

impl Unpin for TrieStream

impl UnwindSafe for TrieStream

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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pub fn from(t: T) -> T

Returns the argument unchanged.

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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>,

const: unstable · source

pub fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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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> Same<T> for T

type Output = T

Should always be Self

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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)

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

const: unstable · source

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.

const: unstable · source

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

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pub fn vzip(self) -> V

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Struct sp_trie::TrieStream

Implementations

impl TrieStream

pub fn as_raw(&self) -> &[u8]ⓘNotable traits for &'_ [u8]impl<'_> Read for &'_ [u8]impl<'_> Write for &'_ mut [u8]

Trait Implementations

impl Clone for TrieStream

fn clone(&self) -> TrieStream

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

impl Default for TrieStream

fn default() -> TrieStream

impl TrieStream for TrieStream

fn new() -> Self

fn append_empty_data(&mut self)

fn append_leaf(&mut self, key: &[u8], value: &[u8])

fn begin_branch( &mut self, maybe_partial: Option<&[u8]>, maybe_value: Option<&[u8]>, has_children: impl Iterator<Item = bool>)

fn append_extension(&mut self, _key: &[u8])

fn append_substream<H: Hasher>(&mut self, other: Self)

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

fn append_empty_child(&mut self)

fn end_branch(&mut self, _value: Option<&[u8]>)

Auto Trait Implementations

impl RefUnwindSafe for TrieStream

impl Send for TrieStream

impl Sync for TrieStream

impl Unpin for TrieStream

impl UnwindSafe for TrieStream

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> DynClone for T where T: Clone,

pub fn __clone_box(&self, Private) -> *mut ()

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T> Instrument for T

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

fn in_current_span(self) -> Instrumented<Self>

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

pub fn into(self) -> U

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

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

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

impl<T> Same<T> for T

type Output = T

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

type Owned = T

pub fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

type Error = <U as TryFrom<T>>::Error

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

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

pub fn unchecked_into(self) -> T

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

pub fn vzip(self) -> V

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

pub fn as_raw(&self) -> &[u8 ]ⓘNotable traits for &'_ [u8 ]`impl<'_> Read for &'_ [u8]impl<'_> Write for &'_ mut [u8]`

fn append_leaf(&mut self, key: &[u8 ], value: &[u8 ])

fn begin_branch(
&mut self,
maybe_partial: Option<&[u8 ]>,
maybe_value: Option<&[u8 ]>,
has_children: impl Iterator<Item = bool>
)

fn append_extension(&mut self, _key: &[u8 ])

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

fn end_branch(&mut self, _value: Option<&[u8 ]>)

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,

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

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> ToOwned for T where
T: Clone,

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

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

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

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

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