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FieldValue

wedb_embed::api::hash::opt

Struct FieldValue 

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pub struct FieldValue<F = Vec<u8>, V = Vec<u8>> {
    pub field: F,
    pub value: V,
}
Expand description

Field-value pair structure (aligned with Kvrocks FieldValue). 字段与值结构对（对标 Apache Kvrocks FieldValue）

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§field: F§value: V

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impl<F, V> FieldValue<F, V>

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pub const fn new(field: F, value: V) -> Self

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impl<F: Clone, V: Clone> Clone for FieldValue<F, V>

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fn clone(&self) -> FieldValue<F, V>

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl<F: Debug, V: Debug> Debug for FieldValue<F, V>

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

Formats the value using the given formatter. Read more
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impl<F: Eq, V: Eq> Eq for FieldValue<F, V>

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impl<F: PartialEq, V: PartialEq> PartialEq for FieldValue<F, V>

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fn eq(&self, other: &FieldValue<F, V>) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl<F: PartialEq, V: PartialEq> StructuralPartialEq for FieldValue<F, V>

Auto Trait Implementations§

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impl<F, V> Freeze for FieldValue<F, V>
where F: Freeze, V: Freeze,

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impl<F, V> RefUnwindSafe for FieldValue<F, V>
where F: RefUnwindSafe, V: RefUnwindSafe,

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impl<F, V> Send for FieldValue<F, V>
where F: Send, V: Send,

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impl<F, V> Sync for FieldValue<F, V>
where F: Sync, V: Sync,

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impl<F, V> Unpin for FieldValue<F, V>
where F: Unpin, V: Unpin,

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impl<F, V> UnsafeUnpin for FieldValue<F, V>
where F: UnsafeUnpin, V: UnsafeUnpin,

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impl<F, V> UnwindSafe for FieldValue<F, V>
where F: UnwindSafe, V: UnwindSafe,

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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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. 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> 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> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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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 = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.