From bf203d6ff7c397fc1cacf074dd570830d5370f50 Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <brad@danga.com>
Date: Fri, 13 Dec 2013 11:18:27 +0400
Subject: [PATCH] Document sorted.Wiper more.

Change-Id: Iede5cf3ec12453910594c682a3a18f8c237fbd40
---
 pkg/sorted/kv.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkg/sorted/kv.go b/pkg/sorted/kv.go
index 57cc8d927..9fa96b6cf 100644
--- a/pkg/sorted/kv.go
+++ b/pkg/sorted/kv.go
@@ -62,7 +62,11 @@ type KeyValue interface {
 	Close() error
 }
 
+// Wiper is an optional interface that may be implemented by storage
+// implementations.
 type Wiper interface {
+	KeyValue
+
 	// Wipe removes all key/value pairs.
 	Wipe() error
 }