From 9d2afdf0fc58f8e1c95cac81d6e65806e6c24b3f Mon Sep 17 00:00:00 2001
From: Yuri Shkuro <ys@uber.com>
Date: Fri, 1 Jul 2016 10:31:19 -0400
Subject: [PATCH] Implement ForeachBaggageItem

---
 span.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/span.go b/span.go
index 08c53d046abd..15af6220b36a 100644
--- a/span.go
+++ b/span.go
@@ -182,6 +182,16 @@ func (s *spanImpl) BaggageItem(restrictedKey string) string {
 	return s.raw.Baggage[canonicalKey]
 }
 
+func (s *spanImpl) ForeachBaggageItem(handler func(k, v string) bool) {
+	s.Lock()
+	defer s.Unlock()
+	for k, v := range s.raw.Baggage {
+		if !handler(k, v) {
+			break
+		}
+	}
+}
+
 func (s *spanImpl) Tracer() opentracing.Tracer {
 	return s.tracer
 }