Remove unused multi callback (#2107)

open-telemetry · Sep 12, 2024 · 921f253 · 921f253
1 parent eb0d997
commit 921f253
Showing 1 changed file with 0 additions and 6 deletions.
diff --git a/opentelemetry-sdk/src/metrics/pipeline.rs b/opentelemetry-sdk/src/metrics/pipeline.rs
@@ -57,7 +57,6 @@ type GenericCallback = Arc<dyn Fn() + Send + Sync>;
 struct PipelineInner {
     aggregations: HashMap<Scope, Vec<InstrumentSync>>,
     callbacks: Vec<GenericCallback>,
-    multi_callbacks: Vec<Option<GenericCallback>>,
 }
 
 impl fmt::Debug for PipelineInner {
@@ -109,11 +108,6 @@ impl SdkProducer for Pipeline {
             cb();
         }
 
-        for mcb in inner.multi_callbacks.iter().flatten() {
-            // TODO consider parallel multi callbacks.
-            mcb();
-        }
-
         rm.resource = self.resource.clone();
         if inner.aggregations.len() > rm.scope_metrics.len() {
             rm.scope_metrics