Enum kv::Event

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pub enum Event<K, V> {
    Set(Item<K, V>),
    Remove(Raw),
}

Expand description

Event is used to describe the type of update

Variants

`Set(Item<K, V>)`

A key has been updated

`Remove(Raw)`

A key has been removed

Implementations

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impl<'a, K: Key<'a>, V: Value> Event<K, V>

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pub fn is_set(&self) -> bool

Returns true when event is Set

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pub fn is_remove(&self) -> bool

Returns true when event is Remove

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pub fn key(&'a self) -> Result<K, Error>

Get event key

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pub fn value(&'a self) -> Result<Option<V>, Error>

Get event value (for insert)

Auto Trait Implementations

impl<K, V> RefUnwindSafe for Event<K, V> where
K: RefUnwindSafe,
V: RefUnwindSafe,

impl<K, V> Send for Event<K, V> where
K: Send,
V: Send,

impl<K, V> Sync for Event<K, V> where
K: Sync,
V: Sync,

impl<K, V> Unpin for Event<K, V> where
K: Unpin,
V: Unpin,

impl<K, V> UnwindSafe for Event<K, V> where
K: UnwindSafe,
V: UnwindSafe,

Blanket Implementations

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impl<T> Any for T where
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 T where
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 T where
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 for T where
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.

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::<T>()

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. 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

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

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

Performs the conversion.

Enum kv::Event

Variants

`Set(Item<K, V>)`

`Remove(Raw)`

Implementations

impl<'a, K: Key<'a>, V: Value> Event<K, V>

pub fn is_set(&self) -> bool

pub fn is_remove(&self) -> bool

pub fn key(&'a self) -> Result<K, Error>

pub fn value(&'a self) -> Result<Option<V>, Error>

Auto Trait Implementations

impl<K, V> RefUnwindSafe for Event<K, V> where
K: RefUnwindSafe,
V: RefUnwindSafe,

impl<K, V> Send for Event<K, V> where
K: Send,
V: Send,

impl<K, V> Sync for Event<K, V> where
K: Sync,
V: Sync,

impl<K, V> Unpin for Event<K, V> where
K: Unpin,
V: Unpin,

impl<K, V> UnwindSafe for Event<K, V> where
K: UnwindSafe,
V: UnwindSafe,

Blanket Implementations

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where
T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where
T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::<T>()

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

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

type Error = Infallible

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

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

Enum kv::Event

Variants

Set(Item<K, V>)

Remove(Raw)

Implementations

impl<'a, K: Key<'a>, V: Value> Event<K, V>

pub fn is_set(&self) -> bool

pub fn is_remove(&self) -> bool

pub fn key(&'a self) -> Result<K, Error>

pub fn value(&'a self) -> Result<Option<V>, Error>

Auto Trait Implementations

impl<K, V> RefUnwindSafe for Event<K, V> where K: RefUnwindSafe, V: RefUnwindSafe,

impl<K, V> Send for Event<K, V> where K: Send, V: Send,

impl<K, V> Sync for Event<K, V> where K: Sync, V: Sync,

impl<K, V> Unpin for Event<K, V> where K: Unpin, V: Unpin,

impl<K, V> UnwindSafe for Event<K, V> where K: UnwindSafe, V: UnwindSafe,

Blanket Implementations

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::<T>()

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

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

type Error = Infallible

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

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

`Set(Item<K, V>)`

`Remove(Raw)`

impl<K, V> RefUnwindSafe for Event<K, V> where
K: RefUnwindSafe,
V: RefUnwindSafe,

impl<K, V> Send for Event<K, V> where
K: Send,
V: Send,

impl<K, V> Sync for Event<K, V> where
K: Sync,
V: Sync,

impl<K, V> Unpin for Event<K, V> where
K: Unpin,
V: Unpin,

impl<K, V> UnwindSafe for Event<K, V> where
K: UnwindSafe,
V: 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, U> TryFrom<U> for T where
U: Into<T>,

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