Struct trie_db::TrieFactory

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pub struct TrieFactory<L: TrieLayout> { /* private fields */ }

Expand description

Trie factory.

Implementations

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impl<'db, L> TrieFactory<L> where
L: TrieLayout + 'db,

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pub fn new(spec: TrieSpec, layout: L) -> Self

Creates new factory.

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pub fn readonly(
 &self,
 db: &'db dyn HashDBRef<L::Hash, DBValue>,
 root: &'db TrieHash<L>
) -> Result<TrieKinds<'db, L>, TrieHash<L>, CError<L>>

Create new immutable instance of Trie.

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pub fn create(
 &self,
 db: &'db mut dyn HashDB<L::Hash, DBValue>,
 root: &'db mut TrieHash<L>
) -> Box<dyn TrieMut<L> + 'db>ⓘ
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;`

Create new mutable instance of Trie.

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pub fn from_existing(
 &self,
 db: &'db mut dyn HashDB<L::Hash, DBValue>,
 root: &'db mut TrieHash<L>
) -> Result<Box<dyn TrieMut<L> + 'db>, TrieHash<L>, CError<L>>

Create new mutable instance of trie and check for errors.

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pub fn is_fat(&self) -> bool

Returns true iff the trie DB is a fat DB (allows enumeration of keys).

Trait Implementations

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impl<L: Clone + TrieLayout> Clone for TrieFactory<L>

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fn clone(&self) -> TrieFactory<L>

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<L: Default + TrieLayout> Default for TrieFactory<L>

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fn default() -> TrieFactory<L>

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

Auto Trait Implementations

impl<L> RefUnwindSafe for TrieFactory<L> where
L: RefUnwindSafe,

impl<L> Send for TrieFactory<L> where
L: Send,

impl<L> Sync for TrieFactory<L> where
L: Sync,

impl<L> Unpin for TrieFactory<L> where
L: Unpin,

impl<L> UnwindSafe for TrieFactory<L> where
L: 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> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Performs the conversion.

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

const: unstable · source

pub fn into(self) -> U

Performs the conversion.

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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.

Struct trie_db::TrieFactory

Implementations

impl<'db, L> TrieFactory<L> where
L: TrieLayout + 'db,

pub fn new(spec: TrieSpec, layout: L) -> Self

pub fn readonly(
    &self,
    db: &'db dyn HashDBRef<L::Hash, DBValue>,
    root: &'db TrieHash<L>
) -> Result<TrieKinds<'db, L>, TrieHash<L>, CError<L>>

pub fn from_existing(
    &self,
    db: &'db mut dyn HashDB<L::Hash, DBValue>,
    root: &'db mut TrieHash<L>
) -> Result<Box<dyn TrieMut<L> + 'db>, TrieHash<L>, CError<L>>

pub fn is_fat(&self) -> bool

Trait Implementations

impl<L: Clone + TrieLayout> Clone for TrieFactory<L>

fn clone(&self) -> TrieFactory<L>

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

impl<L: Default + TrieLayout> Default for TrieFactory<L>

fn default() -> TrieFactory<L>

Auto Trait Implementations

impl<L> RefUnwindSafe for TrieFactory<L> where
L: RefUnwindSafe,

impl<L> Send for TrieFactory<L> where
L: Send,

impl<L> Sync for TrieFactory<L> where
L: Sync,

impl<L> Unpin for TrieFactory<L> where
L: Unpin,

impl<L> UnwindSafe for TrieFactory<L> where
L: 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> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

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>

Struct trie_db::TrieFactory

Implementations

impl<'db, L> TrieFactory<L> where L: TrieLayout + 'db,

pub fn new(spec: TrieSpec, layout: L) -> Self

pub fn readonly( &self, db: &'db dyn HashDBRef<L::Hash, DBValue>, root: &'db TrieHash<L>) -> Result<TrieKinds<'db, L>, TrieHash<L>, CError<L>>

pub fn from_existing( &self, db: &'db mut dyn HashDB<L::Hash, DBValue>, root: &'db mut TrieHash<L>) -> Result<Box<dyn TrieMut<L> + 'db>, TrieHash<L>, CError<L>>

pub fn is_fat(&self) -> bool

Trait Implementations

impl<L: Clone + TrieLayout> Clone for TrieFactory<L>

fn clone(&self) -> TrieFactory<L>

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

impl<L: Default + TrieLayout> Default for TrieFactory<L>

fn default() -> TrieFactory<L>

Auto Trait Implementations

impl<L> RefUnwindSafe for TrieFactory<L> where L: RefUnwindSafe,

impl<L> Send for TrieFactory<L> where L: Send,

impl<L> Sync for TrieFactory<L> where L: Sync,

impl<L> Unpin for TrieFactory<L> where L: Unpin,

impl<L> UnwindSafe for TrieFactory<L> where L: 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> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

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<'db, L> TrieFactory<L> where
L: TrieLayout + 'db,

pub fn readonly(
&self,
db: &'db dyn HashDBRef<L::Hash, DBValue>,
root: &'db TrieHash<L>
) -> Result<TrieKinds<'db, L>, TrieHash<L>, CError<L>>

pub fn from_existing(
&self,
db: &'db mut dyn HashDB<L::Hash, DBValue>,
root: &'db mut TrieHash<L>
) -> Result<Box<dyn TrieMut<L> + 'db>, TrieHash<L>, CError<L>>

impl<L> RefUnwindSafe for TrieFactory<L> where
L: RefUnwindSafe,

impl<L> Send for TrieFactory<L> where
L: Send,

impl<L> Sync for TrieFactory<L> where
L: Sync,

impl<L> Unpin for TrieFactory<L> where
L: Unpin,

impl<L> UnwindSafe for TrieFactory<L> where
L: 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,

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

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>,