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authorRob Pike <r@golang.org>2014-10-24 09:37:25 -0700
committerRob Pike <r@golang.org>2014-10-24 09:37:25 -0700
commit1415a53b75fe3dc4fa53208e82839533bb2f1a30 (patch)
treece04bd4b084f88b499deb2c34419dc4796393b36
parentc5943c668b919b98fd107c2327678ee32a868246 (diff)
downloadgo-1415a53b75fe3dc4fa53208e82839533bb2f1a30.tar.gz
go-1415a53b75fe3dc4fa53208e82839533bb2f1a30.zip
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
-rw-r--r--doc/go1compat.html8
-rw-r--r--src/unsafe/unsafe.go3
2 files changed, 11 insertions, 0 deletions
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