Add metadata comment

2016-01-30 21:17:44 +00:00 · 2016-01-30 21:17:44 +00:00 · 8b9faefd92
commit 8b9faefd92
parent 0bdd3bc1b6
1 changed files with 3 additions and 0 deletions
--- a/metadata/metadata.go
+++ b/metadata/metadata.go
@ -6,6 +6,9 @@ import (

 type metaKey struct{}

+// Metadata is our way of representing request headers internally.
+// They're used at the RPC level and translate back and forth
+// from Transport headers.
 type Metadata map[string]string

 func FromContext(ctx context.Context) (Metadata, bool) {