[−][src]Enum db::kv::KeyState

pub enum KeyState<V> {
    Insert(V),
    Delete,
    Unknown,
}

Variants

Insert(V)DeleteUnknown

Methods

`impl<V> KeyState<V>`
[src]

`pub fn map<U, F>(self, f: F) -> KeyState where F: FnOnce(V) -> U,`
[src]

`pub fn into_option(self) -> Option<V>`
[src]

`pub fn into_operation<K, I, D>( self, key: K, insert: I, delete: D ) -> Option<Operation> where I: FnOnce(K, V) -> KeyValue, D: FnOnce(K) -> Key,`
[src]

Trait Implementations

`impl<V: Debug> Debug for KeyState<V>`
[src]

`fn fmt(&self, f: &mut Formatter) -> Result`
[src]

Formats the value using the given formatter. Read more

`impl<V: Clone> Clone for KeyState<V>`
[src]

`fn clone(&self) -> KeyState<V>`
[src]

Returns a copy of the value. Read more

`fn clone_from(&mut self, source: &Self)`
1.0.0
[src]

Performs copy-assignment from source. Read more

`impl<V> Default for KeyState<V>`
[src]

`fn default() -> Self`
[src]

Returns the "default value" for a type. Read more

Auto Trait Implementations

`impl<V> Send for KeyState<V> where V: Send,`

`impl<V> Sync for KeyState<V> where V: Sync,`

Blanket Implementations

`impl<T> ToOwned for T where T: Clone,`
[src]

`type Owned = T`

`fn to_owned(&self) -> T`
[src]

Creates owned data from borrowed data, usually by cloning. Read more

`fn clone_into(&self, target: &mut T)`
[src]

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

`impl<T> From for T`
[src]

`fn from(t: T) -> T`
[src]

Performs the conversion.

`impl<T, U> Into for T where U: From<T>,`
[src]

`fn into(self) -> U`
[src]

Performs the conversion.

`impl<T, U> TryFrom for T where T: From,`
[src]

`type Error = !`

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

`fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>`
[src]

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

`impl<T> Borrow for T where T: ?Sized,`
[src]

ⓘImportant traits for &'a mut R
Important traits for &'a mut R
`impl<'a, R> Read for &'a mut R where R: Read + ?Sized, impl<'a, W> Write for &'a mut W where W: Write + ?Sized, impl<'a, I> Iterator for &'a mut I where I: Iterator + ?Sized, type Item = ::Item;`
`fn borrow(&self) -> &T`
[src]

Immutably borrows from an owned value. Read more

`impl<T, U> TryInto for T where U: TryFrom<T>,`
[src]

`type Error = >::Error`

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

`fn try_into(self) -> Result<U, >::Error>`
[src]

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

`impl<T> BorrowMut for T where T: ?Sized,`
[src]

ⓘImportant traits for &'a mut R
Important traits for &'a mut R
`impl<'a, R> Read for &'a mut R where R: Read + ?Sized, impl<'a, W> Write for &'a mut W where W: Write + ?Sized, impl<'a, I> Iterator for &'a mut I where I: Iterator + ?Sized, type Item = ::Item;`
`fn borrow_mut(&mut self) -> &mut T`
[src]

Mutably borrows from an owned value. Read more

`impl<T> Any for T where T: 'static + ?Sized,`
[src]

`fn get_type_id(&self) -> TypeId`
[src]

🔬 This is a nightly-only experimental API. (get_type_id)

this method will likely be replaced by an associated static

Gets the TypeId of self. Read more

[−][src]Enum db::kv::KeyState

Variants

Methods

`impl<V> KeyState<V>`
[src]

`pub fn map<U, F>(self, f: F) -> KeyState<U> where F: FnOnce(V) -> U,`
[src]

`pub fn into_option(self) -> Option<V>`
[src]

`pub fn into_operation<K, I, D>( self, key: K, insert: I, delete: D ) -> Option<Operation> where I: FnOnce(K, V) -> KeyValue, D: FnOnce(K) -> Key,`
[src]

Trait Implementations

`impl<V: Debug> Debug for KeyState<V>`
[src]

`fn fmt(&self, f: &mut Formatter) -> Result`
[src]

`impl<V: Clone> Clone for KeyState<V>`
[src]

`fn clone(&self) -> KeyState<V>`
[src]

`fn clone_from(&mut self, source: &Self)`
1.0.0
[src]

`impl<V> Default for KeyState<V>`
[src]

`fn default() -> Self`
[src]

Auto Trait Implementations

`impl<V> Send for KeyState<V> where V: Send,`

`impl<V> Sync for KeyState<V> where V: Sync,`

Blanket Implementations

`impl<T> ToOwned for T where T: Clone,`
[src]

`type Owned = T`

`fn to_owned(&self) -> T`
[src]

`fn clone_into(&self, target: &mut T)`
[src]

`impl<T> From for T`
[src]

`fn from(t: T) -> T`
[src]

`impl<T, U> Into for T where U: From<T>,`
[src]

`fn into(self) -> U`
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`impl<T, U> TryFrom for T where T: From<U>,`
[src]

`type Error = !`

`fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>`
[src]

`impl<T> Borrow for T where T: ?Sized,`
[src]

Important traits for &'a mut R

`impl<T, U> TryInto for T where U: TryFrom<T>,`
[src]

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

`fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>`
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`impl<T> BorrowMut for T where T: ?Sized,`
[src]

Important traits for &'a mut R

`impl<T> Any for T where T: 'static + ?Sized,`
[src]

`fn get_type_id(&self) -> TypeId`
[src]

`impl<T> Erased for T`

[−][src]Enum db::kv::KeyState

Variants

Methods

impl<V> KeyState<V>[src]

pub fn map<U, F>(self, f: F) -> KeyState<U> where F: FnOnce(V) -> U, [src]

pub fn into_option(self) -> Option<V>[src]

pub fn into_operation<K, I, D>( self, key: K, insert: I, delete: D) -> Option<Operation> where I: FnOnce(K, V) -> KeyValue, D: FnOnce(K) -> Key, [src]

Trait Implementations

impl<V: Debug> Debug for KeyState<V>[src]

fn fmt(&self, f: &mut Formatter) -> Result[src]

impl<V: Clone> Clone for KeyState<V>[src]

fn clone(&self) -> KeyState<V>[src]

fn clone_from(&mut self, source: &Self)1.0.0[src]

impl<V> Default for KeyState<V>[src]

fn default() -> Self[src]

Auto Trait Implementations

impl<V> Send for KeyState<V> where V: Send,

impl<V> Sync for KeyState<V> where V: Sync,

Blanket Implementations

impl<T> ToOwned for T where T: Clone, [src]

type Owned = T

fn to_owned(&self) -> T[src]

fn clone_into(&self, target: &mut T)[src]

impl<T> From for T[src]

fn from(t: T) -> T[src]

impl<T, U> Into for T where U: From<T>, [src]

fn into(self) -> U[src]

impl<T, U> TryFrom for T where T: From<U>, [src]

type Error = !

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

impl<T> Borrow for T where T: ?Sized, [src]

ⓘImportant traits for &'a mut RImportant traits for &'a mut Rimpl<'a, R> Read for &'a mut R where R: Read + ?Sized, impl<'a, W> Write for &'a mut W where W: Write + ?Sized, impl<'a, I> Iterator for &'a mut I where I: Iterator + ?Sized, type Item = <I as Iterator>::Item;fn borrow(&self) -> &T[src]

Important traits for &'a mut R

impl<T, U> TryInto for T where U: TryFrom<T>, [src]

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

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

impl<T> BorrowMut for T where T: ?Sized, [src]

Important traits for &'a mut R

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

fn get_type_id(&self) -> TypeId[src]

impl<T> Erased for T

`impl<V> KeyState<V>`
[src]

`pub fn map<U, F>(self, f: F) -> KeyState<U> where F: FnOnce(V) -> U,`
[src]

`pub fn into_option(self) -> Option<V>`
[src]

`pub fn into_operation<K, I, D>( self, key: K, insert: I, delete: D ) -> Option<Operation> where I: FnOnce(K, V) -> KeyValue, D: FnOnce(K) -> Key,`
[src]

`impl<V: Debug> Debug for KeyState<V>`
[src]

`fn fmt(&self, f: &mut Formatter) -> Result`
[src]

`impl<V: Clone> Clone for KeyState<V>`
[src]

`fn clone(&self) -> KeyState<V>`
[src]

`fn clone_from(&mut self, source: &Self)`
1.0.0
[src]

`impl<V> Default for KeyState<V>`
[src]

`fn default() -> Self`
[src]

`impl<V> Send for KeyState<V> where V: Send,`

`impl<V> Sync for KeyState<V> where V: Sync,`

`impl<T> ToOwned for T where T: Clone,`
[src]

`type Owned = T`

`fn to_owned(&self) -> T`
[src]

`fn clone_into(&self, target: &mut T)`
[src]

`impl<T> From for T`
[src]

`fn from(t: T) -> T`
[src]

`impl<T, U> Into for T where U: From<T>,`
[src]

`fn into(self) -> U`
[src]

`impl<T, U> TryFrom for T where T: From<U>,`
[src]

`type Error = !`

`fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>`
[src]

`impl<T> Borrow for T where T: ?Sized,`
[src]

`impl<T, U> TryInto for T where U: TryFrom<T>,`
[src]

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

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

`impl<T> BorrowMut for T where T: ?Sized,`
[src]

`impl<T> Any for T where T: 'static + ?Sized,`
[src]

`fn get_type_id(&self) -> TypeId`
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`impl<T> Erased for T`