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-rw-r--r--types.go5
1 files changed, 5 insertions, 0 deletions
diff --git a/types.go b/types.go
index 8a707bd..b5f27ce 100644
--- a/types.go
+++ b/types.go
@@ -22,3 +22,8 @@ type Instance struct {
 	Mail  string
 	Desc  string
 }
+
+// ipCtxKey is the Context value key for user IP addresses
+type ipCtxKey int
+
+const ctxKey ipCtxKey = iota