remove intermediate steps

Author: lalitb

opentelemetry-otlp/examples/basic-otlp-http/src/main.rs

@@ -31,12 +31,11 @@ static RESOURCE: Lazy<Resource> = Lazy::new(|| {
 });
 
 fn init_logs() -> Result<sdklogs::LoggerProvider, opentelemetry::logs::LogError> {
-    let exporter_builder = LogExporter::builder()
+    let exporter = LogExporter::builder()
         .with_http()
         .with_endpoint("http://localhost:4318/v1/logs")
-        .with_protocol(Protocol::HttpBinary);
-
-    let exporter = exporter_builder.build()?;
+        .with_protocol(Protocol::HttpBinary)
+        .build()?;
 
     Ok(LoggerProvider::builder()
         .with_batch_exporter(exporter, runtime::Tokio)
@@ -45,12 +44,11 @@ fn init_logs() -> Result<sdklogs::LoggerProvider, opentelemetry::logs::LogError>
 }
 
 fn init_tracer_provider() -> Result<sdktrace::TracerProvider, TraceError> {
-    let exporter_builder = SpanExporter::builder()
+    let exporter = SpanExporter::builder()
         .with_http()
         .with_protocol(Protocol::HttpBinary) //can be changed to `Protocol::HttpJson` to export in JSON format
-        .with_endpoint("http://localhost:4318/v1/traces");
-
-    let exporter = exporter_builder.build()?;
+        .with_endpoint("http://localhost:4318/v1/traces")
+        .build()?;
 
     Ok(TracerProvider::builder()
         .with_batch_exporter(exporter, runtime::Tokio)
@@ -59,12 +57,11 @@ fn init_tracer_provider() -> Result<sdktrace::TracerProvider, TraceError> {
 }
 
 fn init_metrics() -> Result<opentelemetry_sdk::metrics::SdkMeterProvider, MetricError> {
-    let exporter_builder = MetricExporter::builder()
+    let exporter = MetricExporter::builder()
         .with_http()
         .with_protocol(Protocol::HttpBinary) //can be changed to `Protocol::HttpJson` to export in JSON format
-        .with_endpoint("http://localhost:4318/v1/metrics");
-
-    let exporter = exporter_builder.build()?;
+        .with_endpoint("http://localhost:4318/v1/metrics")
+        .build()?;
 
     Ok(SdkMeterProvider::builder()
         .with_reader(PeriodicReader::builder(exporter, runtime::Tokio).build())