Struct ObservationSnapshot 

pub struct ObservationSnapshot { /* private fields */ }

Immutable shared view of retained observations, ordered oldest to newest.

Implementations

impl ObservationSnapshot

pub fn len(&self) -> usize

Returns the number of observations in the snapshot.

pub fn is_empty(&self) -> bool

Reports whether the snapshot contains no observations.

pub fn iter(&self) -> impl DoubleEndedIterator<Item = &ObservationEvent>

Iterates from the oldest observation to the newest without cloning it.

pub fn recent(&self, limit: usize) -> impl Iterator<Item = &ObservationEvent>

Iterates over at most the newest limit observations in chronological order.

Trait Implementations

impl Clone for ObservationSnapshot

fn clone(&self) -> ObservationSnapshot

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ObservationSnapshot

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

Formats the value using the given formatter.

impl Default for ObservationSnapshot

fn default() -> ObservationSnapshot

Returns the “default value” for a type.