Enum sp_database::Change

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pub enum Change<H> {
    Set(ColumnId, Vec<u8>, Vec<u8>),
    Remove(ColumnId, Vec<u8>),
    Store(H, Vec<u8>),
    Release(H),
}

Expand description

An alteration to the database.

Variants

`Set(ColumnId, Vec<u8>, Vec<u8>)`

`Remove(ColumnId, Vec<u8>)`

`Store(H, Vec<u8>)`

`Release(H)`

Trait Implementations

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impl<H: Clone> Clone for Change<H>

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fn clone(&self) -> Change<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

Auto Trait Implementations

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

impl<H> Send for Change<H> where
H: Send,

impl<H> Sync for Change<H> where
H: Sync,

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

impl<H> UnwindSafe for Change<H> where
H: 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

Returns the argument unchanged.

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

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Enum sp_database::Change

Variants

`Set(ColumnId, Vec<u8>, Vec<u8>)`

`Remove(ColumnId, Vec<u8>)`

`Store(H, Vec<u8>)`

`Release(H)`

Trait Implementations

impl<H: Clone> Clone for Change<H>

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

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

Auto Trait Implementations

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

impl<H> Send for Change<H> where
H: Send,

impl<H> Sync for Change<H> where
H: Sync,

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

impl<H> UnwindSafe for Change<H> where
H: 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<V, T> VZip<V> for T where
V: MultiLane<T>,

pub fn vzip(self) -> V

Enum sp_database::Change

Variants

Set(ColumnId, Vec<u8>, Vec<u8>)

Remove(ColumnId, Vec<u8>)

Store(H, Vec<u8>)

Release(H)

Trait Implementations

impl<H: Clone> Clone for Change<H>

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

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

Auto Trait Implementations

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

impl<H> Send for Change<H> where H: Send,

impl<H> Sync for Change<H> where H: Sync,

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

impl<H> UnwindSafe for Change<H> where H: 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<V, T> VZip<V> for T where V: MultiLane<T>,

pub fn vzip(self) -> V

`Set(ColumnId, Vec<u8>, Vec<u8>)`

`Remove(ColumnId, Vec<u8>)`

`Store(H, Vec<u8>)`

`Release(H)`

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

impl<H> Send for Change<H> where
H: Send,

impl<H> Sync for Change<H> where
H: Sync,

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

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

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