A transparent cache for datastore, backed by memcache.

service/memcache/types.go

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package memcache
 
 import (
         "time"
 )
 
@@ skipping 20 matching lines @@
         Key() string
         Value() []byte
         Flags() uint32
         Expiration() time.Duration
 
         SetKey(string) Item
         SetValue([]byte) Item
         SetFlags(uint32) Item
         SetExpiration(time.Duration) Item
 
-        // SetAll copies all the values from other into this item (including the hidden
-        // CasID field).
+        // SetAll copies all the values from other, except Key, into this item
+        // (including the hidden CasID field). If other is nil, then all non-Key
+        // fields are reset.
         SetAll(other Item)
 }