first commit

server/internal/http/middleware/middleware.go

@@ -0,0 +1,12 @@
+package middleware
+
+// contextKey is a value for use with context.WithValue. It's used as
+// a pointer so it fits in an interface{} without allocation. This technique
+// for defining context keys was copied from Go 1.7's new use of context in net/http.
+type ctxKey struct {
+	name string
+}
+
+func (k *ctxKey) String() string {
+	return "neko/ctx/" + k.name
+}