Fix/del server interceptor duplicate copy md 20220827 (#2309)

* fix:grpc server interceptor duplicate copy MD * modify wrong comments
2022-08-27 18:55:40 +08:00
parent 05007c86bb
commit 5d4ae201d0
2 changed files with 3 additions and 6 deletions
--- a/core/trace/tracer.go
+++ b/core/trace/tracer.go
@@ -38,7 +38,7 @@ func (s *metadataSupplier) Keys() []string {
 	return out
 }

-// Inject injects the metadata into ctx.
+// Inject injects cross-cutting concerns from the ctx into the metadata.
 func Inject(ctx context.Context, p propagation.TextMapPropagator, metadata *metadata.MD) {
 	p.Inject(ctx, &metadataSupplier{
 		metadata: metadata,