[−][src]Enum db::kv::KeyState
Variants
Insert(V)
Delete
Unknown
Methods
impl<V> KeyState<V>
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impl<V> KeyState<V>
pub fn map<U, F>(self, f: F) -> KeyState<U> where
F: FnOnce(V) -> U,
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pub fn map<U, F>(self, f: F) -> KeyState<U> where
F: FnOnce(V) -> U,
pub fn into_option(self) -> Option<V>
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pub fn into_option(self) -> Option<V>
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,
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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,
Trait Implementations
impl<V: Debug> Debug for KeyState<V>
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impl<V: Debug> Debug for KeyState<V>
fn fmt(&self, f: &mut Formatter) -> Result
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fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl<V: Clone> Clone for KeyState<V>
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impl<V: Clone> Clone for KeyState<V>
fn clone(&self) -> KeyState<V>
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fn clone(&self) -> KeyState<V>
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
1.0.0
[src]Performs copy-assignment from source
. Read more
impl<V> Default for KeyState<V>
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impl<V> Default for KeyState<V>
Auto Trait Implementations
Blanket Implementations
impl<T> ToOwned for T where
T: Clone,
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impl<T> ToOwned for T where
T: Clone,
type Owned = T
fn to_owned(&self) -> T
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fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
fn clone_into(&self, target: &mut T)
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fn clone_into(&self, target: &mut T)
🔬 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
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impl<T> From for T
impl<T, U> Into for T where
U: From<T>,
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impl<T, U> Into for T where
U: From<T>,
impl<T, U> TryFrom for T where
T: From<U>,
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impl<T, U> TryFrom for T where
T: From<U>,
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<U>>::Error>
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
🔬 This is a nightly-only experimental API. (
try_from
)Performs the conversion.
impl<T> Borrow for T where
T: ?Sized,
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impl<T> Borrow for T where
T: ?Sized,
ⓘImportant traits for &'a mut Rfn borrow(&self) -> &T
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ⓘImportant traits for &'a mut R
fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
impl<T, U> TryInto for T where
U: TryFrom<T>,
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impl<T, U> TryInto for T where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::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, <U as TryFrom<T>>::Error>
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
🔬 This is a nightly-only experimental API. (
try_from
)Performs the conversion.
impl<T> BorrowMut for T where
T: ?Sized,
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impl<T> BorrowMut for T where
T: ?Sized,
ⓘImportant traits for &'a mut Rfn borrow_mut(&mut self) -> &mut T
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ⓘImportant traits for &'a mut R
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> Any for T where
T: 'static + ?Sized,
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impl<T> Any for T where
T: 'static + ?Sized,
fn get_type_id(&self) -> TypeId
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fn get_type_id(&self) -> TypeId
🔬 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
impl<T> Erased for T
impl<T> Erased for T