From: Rob Pike <r@golang.org>
Date: Fri, 24 Oct 2014 16:37:25 +0000 (-0700)
Subject: unsafe: document that unsafe programs are not protected
X-Git-Tag: go1.4beta1~49
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=1415a53b75fe3dc4fa53208e82839533bb2f1a30;p=gostls13.git

unsafe: document that unsafe programs are not protected
The compatibility guideline needs to be clear about this even
though it means adding a clause that was not there from the
beginning. It has always been understood, so this isn't really
a change in policy, just in its expression.

LGTM=bradfitz, gri, rsc
R=golang-codereviews, bradfitz, gri, rsc
CC=golang-codereviews
https://golang.org/cl/162060043
---

diff --git a/doc/go1compat.html b/doc/go1compat.html
index 04a6c1124b..94c48d2ce3 100644
--- a/doc/go1compat.html
+++ b/doc/go1compat.html
@@ -104,6 +104,14 @@ outside of tests, and using it may cause a program to fail
 to compile in future releases.
 </li>
 
+<li>
+Use of package <code>unsafe</code>. Packages that import
+<a href="/pkg/unsafe/"><code>unsafe</code></a>
+may depend on internal properties of the Go implementation.
+We reserve the right to make changes to the implementation
+that may break such programs.
+</li>
+
 </ul>
 
 <p>
diff --git a/src/unsafe/unsafe.go b/src/unsafe/unsafe.go
index 83b2e14052..79499b2955 100644
--- a/src/unsafe/unsafe.go
+++ b/src/unsafe/unsafe.go
@@ -4,6 +4,9 @@
 
 /*
 	Package unsafe contains operations that step around the type safety of Go programs.
+
+	Packages that import unsafe may be non-portable and are not protected by the
+	Go 1 compatibility guidelines.
 */
 package unsafe