Struct memory_db::LegacyPrefixedKey

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pub struct LegacyPrefixedKey<H: KeyHasher>(_);
👎Deprecated since 0.22.0
Expand description

Key function that concatenates prefix and hash. This is doing useless computation and should only be used for legacy purpose. It shall be remove in the future.

Trait Implementations§

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impl<H: Clone + KeyHasher> Clone for LegacyPrefixedKey<H>

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fn clone(&self) -> LegacyPrefixedKey<H>

Returns a copy of the value. Read more
1.0.0 · source§

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

Performs copy-assignment from source. Read more
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impl<H: Debug + KeyHasher> Debug for LegacyPrefixedKey<H>

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

Formats the value using the given formatter. Read more
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impl<H: KeyHasher> KeyFunction<H> for LegacyPrefixedKey<H>

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type Key = Vec<u8, Global>

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fn key(hash: &H::Out, prefix: Prefix<'_>) -> Vec<u8>

Auto Trait Implementations§

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impl<H> RefUnwindSafe for LegacyPrefixedKey<H>where H: RefUnwindSafe,

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impl<H> Send for LegacyPrefixedKey<H>

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impl<H> Sync for LegacyPrefixedKey<H>

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impl<H> Unpin for LegacyPrefixedKey<H>where H: Unpin,

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impl<H> UnwindSafe for LegacyPrefixedKey<H>where H: UnwindSafe,

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,

const: unstable · source§

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

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source§

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.
const: unstable · source§

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.
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impl<T> MaybeDebug for Twhere T: Debug,