pub struct AllowEmptyLayout;
Expand description

Trie that allows empty values.

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impl Clone for AllowEmptyLayout

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fn clone(&self) -> AllowEmptyLayout

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 AllowEmptyLayout

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fn default() -> AllowEmptyLayout

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

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const USE_EXTENSION: bool = true

If true, the trie will use extension nodes and no partial in branch, if false the trie will only use branch and node with partials in both.
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const ALLOW_EMPTY: bool = true

If true, the trie will allow empty values into TrieDBMut
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const MAX_INLINE_VALUE: Option<u32> = None

Threshold above which an external node should be use to store a node value.
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type Hash = KeccakHasher

Hasher to use for this trie.
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type Codec = ReferenceNodeCodec<KeccakHasher>

Codec to use (needs to match hasher and nibble ops).

Auto Trait Implementations§

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

const: unstable · source§

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

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.