pub(crate) fn append<'a>(
output: &mut Vec<RowExemplars>,
exemplars: impl IntoIterator<Item = &'a Exemplar>,
metric: &str,
row: usize,
ctx: &OtlpMetricCtx,
)Expand description
Collects exemplars for metric-engine ingestion, retaining each emitted row’s identity until destination defaults have been filled.