risingwave_common_estimate_size::collections::hashset

Struct EstimatedHashSet

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pub struct EstimatedHashSet<T: EstimateSize> {
    inner: HashSet<T>,
    heap_size: KvSize,
}

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§inner: HashSet<T>§heap_size: KvSize

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impl<T> EstimatedHashSet<T>
where T: Eq + Hash + EstimateSize,

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pub fn insert(&mut self, value: T) -> bool

Insert into the cache.

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pub fn remove(&mut self, value: &T) -> bool

Delete from the cache.

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pub fn from_vec(v: EstimatedVec<T>) -> Self

Convert an EstimatedVec to a EstimatedHashSet. Do not need to recalculate the heap size.

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impl<T: EstimateSize> EstimatedHashSet<T>

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pub fn iter(&self) -> impl Iterator<Item = &T>

Trait Implementations§

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impl<T: Default + EstimateSize> Default for EstimatedHashSet<T>

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fn default() -> EstimatedHashSet<T>

Returns the “default value” for a type. Read more
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impl<T: EstimateSize> EstimateSize for EstimatedHashSet<T>

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fn estimated_heap_size(&self) -> usize

The estimated heap size of the current struct in bytes.
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fn estimated_size(&self) -> usize
where Self: Sized,

The estimated total size of the current struct in bytes, including the estimated_heap_size and the size of Self.

Auto Trait Implementations§

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impl<T> !Freeze for EstimatedHashSet<T>

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impl<T> RefUnwindSafe for EstimatedHashSet<T>
where T: RefUnwindSafe,

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impl<T> Send for EstimatedHashSet<T>
where T: Send,

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impl<T> Sync for EstimatedHashSet<T>
where T: Sync,

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impl<T> Unpin for EstimatedHashSet<T>
where T: Unpin,

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impl<T> UnwindSafe for EstimatedHashSet<T>
where T: 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,

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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> Same for T

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type Output = T

Should always be Self
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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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V