From e7345f079ef16443a79203d742eb48cedc37a527 Mon Sep 17 00:00:00 2001
From: Darien Raymond <admin@v2ray.com>
Date: Wed, 24 Oct 2018 15:02:19 +0200
Subject: [PATCH] comments

---
 common/buf/reader.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/common/buf/reader.go b/common/buf/reader.go
index 7f74e76a..1d535b4a 100644
--- a/common/buf/reader.go
+++ b/common/buf/reader.go
@@ -128,10 +128,12 @@ func (r *BufferedReader) Close() error {
 	return common.Close(r.Reader)
 }
 
+// SingleReader is a Reader that read one Buffer every time.
 type SingleReader struct {
 	io.Reader
 }
 
+// ReadMultiBuffer implements Reader.
 func (r *SingleReader) ReadMultiBuffer() (MultiBuffer, error) {
 	b, err := readOne(r.Reader)
 	if err != nil {