tracer

open-telemetry · Jul 30, 2020 · 818865f · 818865f
1 parent 69fc0d6
commit 818865f
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/api/include/opentelemetry/trace/default_span.h b/api/include/opentelemetry/trace/default_span.h
@@ -8,6 +8,7 @@
 #define pass
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace trace {
+class DefaultTracer;
 class DefaultSpan: public Span {
   public:
     // Returns an invalid span.