From de00851493e07b9b7a374dc422e4a9f491a5b76c Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <brad@danga.com>
Date: Sun, 7 Jul 2013 11:29:10 -0700
Subject: [PATCH] TODO: blobref representation

Change-Id: Ide46b799d3a134952f6037ad501f2e55dbb361e1
---
 TODO | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/TODO b/TODO
index 7ac88b7bf..de8369523 100644
--- a/TODO
+++ b/TODO
@@ -4,6 +4,16 @@ There are two TODO lists. This file (good for airplanes) and the online bug trac
 
 Offline list:
 
+-- change representation of *blobref.BlobRef to a value type with smaller
+   memory usage and no internal string cache, so it can be used as a map
+   key:
+       type BlobRef struct {
+           hash crypto.Hash
+           sum  interface{} // [hash.Size()]byte
+       }
+   The string cache, if needed, can in the blobref package, keyed by
+   blobref.
+
 -- verify that the HTTP blob upload interface caps uploads at MaxBlobSize
    before giving it to storage impls