Trait pointcloud::Summary

pub trait Summary: Debug + Default + Send + Sync + 'static {
    type Label: ?Sized;
    fn add(&mut self, v: &Self::Label);
    fn combine(&mut self, other: &Self);
    fn count(&self) -> usize;
}

A summary for labels and metadata. You can make this an empty zero sized type for when you don't need it.

Associated Types

type Label: ?Sized

Underlying type.

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Required methods

fn add(&mut self, v: &Self::Label)

Adding a single value to the summary.

fn combine(&mut self, other: &Self)

Merging several summaries of your data source together. This results in a summary of underlying column over the union of the indexes used to create the input summaries.

fn count(&self) -> usize

The number of elements this summary covers

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Implementors

impl Summary for CategorySummary

type Label = i64

fn add(&mut self, val: &i64)

fn combine(&mut self, other: &CategorySummary)

fn count(&self) -> usize

impl Summary for FloatSummary

type Label = f64

fn add(&mut self, val: &f64)

fn combine(&mut self, other: &FloatSummary)

fn count(&self) -> usize

impl Summary for IntSummary

type Label = i64

fn add(&mut self, val: &i64)

fn combine(&mut self, other: &IntSummary)

fn count(&self) -> usize

impl Summary for StringSummary

type Label = String

fn add(&mut self, val: &String)

fn combine(&mut self, other: &StringSummary)

fn count(&self) -> usize

impl Summary for VecSummary

type Label = [f32]

fn add(&mut self, val: &[f32])

fn combine(&mut self, other: &VecSummary)

fn count(&self) -> usize

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