From 4d14b01c84617b91273f1d9313bd433b0582b37b Mon Sep 17 00:00:00 2001
From: Miek Gieben <miek@miek.nl>
Date: Sat, 29 Jul 2017 10:48:27 +0100
Subject: [PATCH] More comments

---
 example.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/example.go b/example.go
index 4bde260..9dda4a5 100644
--- a/example.go
+++ b/example.go
@@ -17,6 +17,9 @@ type Example struct {
 
 // ServeDNS implements the middleware.Handler interface.
 func (e Example) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) (int, error) {
+	// Somewhat convoluted, as we could have printed "example" here and just call
+	// the next middleware - but as an example, show how to wrap a ResponseWriter might be
+	// educational.
 	pw := NewResponsePrinter(w)
 	return middleware.NextOrFailure(e.Name(), e.Next, ctx, pw, r)
 }