Fix code review and add CHANGELOG

CHANGELOG.md

@@ -8,6 +8,10 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ## [Unreleased]
 
+### Added
+
+- Added an example of using metric views to customize instruments. (#3177)
+
 ## [0.32.1] Metric SDK (Alpha) - 2022-09-22
 
 ### Changed

example/view/doc.go

@@ -12,5 +12,5 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// Package main provides a code sample of using view to custom instruments.
+// Package main provides a code sample of using metric views to customize instruments.
 package main

example/view/go.mod

@@ -1,14 +1,14 @@
-module go.opentelemetry.io/otel/example/prometheus
+module go.opentelemetry.io/otel/example/view
 
 go 1.18
 
 require (
 	github.com/prometheus/client_golang v1.13.0
 	go.opentelemetry.io/otel v1.10.0
 	go.opentelemetry.io/otel/exporters/prometheus v0.31.0
-	go.opentelemetry.io/otel/metric v0.32.0
+	go.opentelemetry.io/otel/metric v0.32.1
 	go.opentelemetry.io/otel/sdk v1.10.0
-	go.opentelemetry.io/otel/sdk/metric v0.32.0
+	go.opentelemetry.io/otel/sdk/metric v0.32.1
 )
 
 require (

example/view/main.go

@@ -12,9 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build go1.18
-// +build go1.18
-
 package main
 
 import (
@@ -42,14 +39,13 @@ const meterName = "github.com/open-telemetry/opentelemetry-go/example/view"
 func main() {
 	ctx := context.Background()
 
-	// The exporter embeds a default OpenTelemetry Reader, allowing it to be used in WithReader
+	// The exporter embeds a default OpenTelemetry Reader, allowing it to be used in WithReader.
 	exporter := otelprom.New()
 
-	// View to customize histogram
+	// View to customize histogram buckets and rename a single histogram instrument.
 	customBucketsView, err := view.New(
 		// Match* to match instruments
 		view.MatchInstrumentName("custom_histogram"),
-		view.MatchInstrumentKind(view.SyncHistogram),
 		view.MatchInstrumentationScope(instrumentation.Scope{Name: meterName}),
 
 		// With* to modify instruments