From 182fadeec0bca2fef33cb91c1efb096c88c59c1f Mon Sep 17 00:00:00 2001
From: Rob Pike <r@golang.org>
Date: Fri, 11 Oct 2013 16:39:05 -0700
Subject: [PATCH] [x/blog] go.blog/slices: make slice-header-modifying example
 actually modify it Fixes golang/go#6570.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/14614043
X-Blog-Commit: 190a69e0573a68c27a4cbda968fadf4eec3c1d60
---
 blog/content/slices/prog020.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/blog/content/slices/prog020.go b/blog/content/slices/prog020.go
index 4652722e..472f68af 100644
--- a/blog/content/slices/prog020.go
+++ b/blog/content/slices/prog020.go
@@ -12,7 +12,8 @@ var buffer [256]byte
 var slice []byte = buffer[100:150]
 
 func SubtractOneFromLength(slice []byte) []byte {
-	return slice[0 : len(slice)-1]
+	slice = slice[0 : len(slice)-1]
+	return slice
 }
 
 func main() {