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Export the Instrument IsEmpty method #5431

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May 30, 2024
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5 changes: 5 additions & 0 deletions CHANGELOG.md
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,11 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm

## [Unreleased]

### Added

- The `Empty` method is added to the `Instrument` type in `go.opentelemetry.io/otel/sdk/metric`.
This method is used to check if an `Instrument` instance is a zero-value. (#5431)

### Fixed

- Log a warning to the OpenTelemetry internal logger when a `Record` in `go.opentelemetry.io/otel/sdk/log` drops an attribute due to a limit being reached. (#5376)
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4 changes: 2 additions & 2 deletions sdk/metric/instrument.go
Original file line number Diff line number Diff line change
Expand Up @@ -77,8 +77,8 @@ type Instrument struct {
nonComparable // nolint: unused
}

// empty returns if all fields of i are their zero-value.
func (i Instrument) empty() bool {
// Empty returns if all Instrument fields are their zero-value.
func (i Instrument) Empty() bool {
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return i.Name == "" &&
i.Description == "" &&
i.Kind == zeroInstrumentKind &&
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2 changes: 1 addition & 1 deletion sdk/metric/view.go
Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,7 @@ type View func(Instrument) (Stream, bool)
// of the default. If you need to zero out an Stream field returned from a
// View, create a View directly.
func NewView(criteria Instrument, mask Stream) View {
if criteria.empty() {
if criteria.Empty() {
global.Error(
errEmptyView, "dropping view",
"mask", mask,
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