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DoubleDeltaEncoder

nodedb_codec::double_delta

Struct DoubleDeltaEncoder 

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pub struct DoubleDeltaEncoder { /* private fields */ }
Expand description

Streaming DoubleDelta encoder. Accumulates values and produces compressed bytes on finish().

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impl DoubleDeltaEncoder

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pub fn new() -> Self

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pub fn push(&mut self, value: i64)

Append a single i64 value.

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pub fn push_batch(&mut self, values: &[i64])

Append a batch of i64 values.

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pub fn count(&self) -> usize

Number of values encoded so far.

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pub fn finish(self) -> Vec<u8> ⓘ

Finish encoding and return compressed bytes.

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impl Default for DoubleDeltaEncoder

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fn default() -> Self

Returns the “default value” for a type. Read more

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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, 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.