Struct skipdb::Ref

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pub struct Ref<'a, K, V>(/* private fields */);
Expand description

A reference to an entry in the write transaction.

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impl<'a, K, V> Ref<'a, K, V>

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pub fn key(&self) -> &K

Returns the value of the key.

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pub fn version(&self) -> u64

Returns the read version of the entry.

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pub fn value(&self) -> ValueRef<'_, K, V>

Returns the value of the entry.

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pub fn is_committed(&self) -> bool

Returns true if the entry was commited.

Trait Implementations§

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impl<'a, K, V> Clone for Ref<'a, K, V>

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fn clone(&self) -> Ref<'a, K, V>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<'a, K, V> Debug for Ref<'a, K, V>
where K: Debug, V: Debug,

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

Formats the value using the given formatter. Read more
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impl<'a, K, V> From<(u64, &'a K, &'a V)> for Ref<'a, K, V>

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fn from(_: (u64, &'a K, &'a V)) -> Ref<'a, K, V>

Converts to this type from the input type.
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impl<'a, K, V> From<CommittedRef<'a, K, V>> for Ref<'a, K, V>

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fn from(ent: CommittedRef<'a, K, V>) -> Ref<'a, K, V>

Converts to this type from the input type.
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impl<'a, K, V> From<EntryRef<'a, K, V>> for Ref<'a, K, V>

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fn from(ent: EntryRef<'a, K, V>) -> Ref<'a, K, V>

Converts to this type from the input type.

Auto Trait Implementations§

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impl<'a, K, V> Freeze for Ref<'a, K, V>

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impl<'a, K, V> !RefUnwindSafe for Ref<'a, K, V>

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impl<'a, K, V> Send for Ref<'a, K, V>
where K: Sync + Send, V: Sync + Send,

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impl<'a, K, V> Sync for Ref<'a, K, V>
where K: Sync + Send, V: Sync + Send,

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impl<'a, K, V> Unpin for Ref<'a, K, V>

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impl<'a, K, V> !UnwindSafe for Ref<'a, K, V>

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,

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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,

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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

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> ToOwned for T
where 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 T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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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 T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.