Improve noop impementation (#223)

opentracing · Sep 13, 2019 · a7454ce · a7454ce
1 parent 16ba2b6
commit a7454ce
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/noop.go b/noop.go
@@ -21,9 +21,9 @@ type noopSpan struct{}
 type noopSpanContext struct{}
 
 var (
-	defaultNoopSpanContext = noopSpanContext{}
-	defaultNoopSpan        = noopSpan{}
-	defaultNoopTracer      = NoopTracer{}
+	defaultNoopSpanContext SpanContext = noopSpanContext{}
+	defaultNoopSpan        Span        = noopSpan{}
+	defaultNoopTracer      Tracer      = NoopTracer{}
 )
 
 const (
@@ -35,7 +35,7 @@ func (n noopSpanContext) ForeachBaggageItem(handler func(k, v string) bool) {}
 
 // noopSpan:
 func (n noopSpan) Context() SpanContext                                  { return defaultNoopSpanContext }
-func (n noopSpan) SetBaggageItem(key, val string) Span                   { return defaultNoopSpan }
+func (n noopSpan) SetBaggageItem(key, val string) Span                   { return n }
 func (n noopSpan) BaggageItem(key string) string                         { return emptyString }
 func (n noopSpan) SetTag(key string, value interface{}) Span             { return n }
 func (n noopSpan) LogFields(fields ...log.Field)                         {}