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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package aggregate // import "go.opentelemetry.io/otel/sdk/metric/internal/aggregate"
import (
"context"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/sdk/metric/exemplar"
)
// DropReservoir returns a [FilteredReservoir] that drops all measurements it is offered.
func DropReservoir[N int64 | float64]() FilteredExemplarReservoir[N] { return &dropRes[N]{} }
type dropRes[N int64 | float64] struct{}
// Offer does nothing, all measurements offered will be dropped.
func (r *dropRes[N]) Offer(context.Context, N, []attribute.KeyValue) {}
// Collect resets dest. No exemplars will ever be returned.
func (r *dropRes[N]) Collect(dest *[]exemplar.Exemplar) {
*dest = (*dest)[:0]
}
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