From d6266b363cfb2afc349eb1e96fb5fc51c96db3a8 Mon Sep 17 00:00:00 2001
From: Austin Hallock <austin@clay.io>
Date: Mon, 26 Jan 2015 15:00:31 -0800
Subject: [PATCH] fix len=0 pull bug
 https://github.com/EvanOxfeld/node-pullstream/issues/10

---
 pullstream.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pullstream.js b/pullstream.js
index 2c46e7f..162c69d 100644
--- a/pullstream.js
+++ b/pullstream.js
@@ -61,7 +61,7 @@ PullStream.prototype.pullUpTo = over([
 
 PullStream.prototype.pipe = over([
   [over.numberOptionalWithDefault(null), over.object, function (len, destStream) {
-    if (!len) {
+    if (len === null) {
       return PassThrough.prototype.pipe.call(this, destStream);
     }