Struct HyperLogLog

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pub struct HyperLogLog { /* private fields */ }

Expand description

HyperLogLog for cardinality estimation

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impl HyperLogLog

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pub fn new(precision: u8) -> Self

Create a new HyperLogLog with the specified precision (4-16)

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pub fn add<T: Hash>(&mut self, item: &T)

Add an item to the HyperLogLog

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pub fn cardinality(&self) -> f64

Estimate the cardinality

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pub fn merge(&mut self, other: &HyperLogLog)

Merge another HyperLogLog into this one

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pub fn clear(&mut self)

Clear the HyperLogLog

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pub fn stats(&self) -> HyperLogLogStats

Get HyperLogLog statistics

Auto Trait Implementations§

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impl UnwindSafe for HyperLogLog

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 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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