From cf717aa2257cf4a55a04d74cc447eae80e6769f6 Mon Sep 17 00:00:00 2001
From: Krzesimir Nowak <krzesimir@kinvolk.io>
Date: Sun, 10 Nov 2019 10:38:39 +0100
Subject: [PATCH] make context keys a single integral type

---
 api/distributedcontext/context.go | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/api/distributedcontext/context.go b/api/distributedcontext/context.go
index 2cb7c88b64a..588ca30075a 100644
--- a/api/distributedcontext/context.go
+++ b/api/distributedcontext/context.go
@@ -18,14 +18,11 @@ import (
 	"context"
 )
 
-type (
-	ctxCorrelationsType struct{}
-	ctxBaggageType      struct{}
-)
+type ctxKey int
 
-var (
-	ctxCorrelationsKey = &ctxCorrelationsType{}
-	ctxBaggageKey      = &ctxBaggageType{}
+const (
+	ctxCorrelationsKey ctxKey = iota
+	ctxBaggageKey
 )
 
 func NewCorrelationsContextKV(ctx context.Context, correlations ...Correlation) context.Context {