package streamaggr type maxAggrValue struct { max float64 defined bool } func (av *maxAggrValue) pushSample(ctx *pushSampleCtx) { if ctx.sample.value > av.max || !av.defined { av.max = ctx.sample.value } if !av.defined { av.defined = true } } func (av *maxAggrValue) flush(ctx *flushCtx, key string) { if av.defined { ctx.appendSeries(key, "max", av.max) av.max = 0 av.defined = false } }