Struct MetricHint 

pub struct MetricHint {
    pub name: &'static str,
    pub polarity: Polarity,
    pub unit: &'static str,
}

Payload-author metric declaration: polarity + display unit.

Attached to a Payload via the metrics field. Metrics extracted from output are looked up against this table by name to set their Polarity and Metric::unit. Unmatched metrics land with Polarity::Unknown and an empty unit string.

Fields

name: &'static str

Dotted-path metric name (e.g. jobs.0.read.iops).

polarity: Polarity

Regression direction for this metric.

unit: &'static str

Human-readable unit for display (e.g. iops, ns). Empty string means “no unit”; matches the sentinel used by MetricDef.

Trait Implementations

impl Clone for MetricHint

fn clone(&self) -> MetricHint

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MetricHint

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

Formats the value using the given formatter.

impl Copy for MetricHint