From: Robert Griesemer <gri@golang.org>
Date: Wed, 12 Dec 2012 21:08:35 +0000 (-0800)
Subject: spec: calling delete on a nil map is a no-op
X-Git-Tag: go1.1rc2~1647
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=a9a49fe9625194395d9eb791de7c2674d7b6f8d8;p=gostls13.git

spec: calling delete on a nil map is a no-op

This is language change. It is a backward-compatible
change but for code that relies on a run-time panic
when calling delete on a nil map (unlikely).

Fixes #4253.

R=rsc, r, iant, ken, bradfitz, rogpeppe
CC=golang-dev
https://golang.org/cl/6909060
---

diff --git a/doc/go_spec.html b/doc/go_spec.html
index 468fb3ad28..9e8aafa999 100644
--- a/doc/go_spec.html
+++ b/doc/go_spec.html
@@ -5104,9 +5104,8 @@ delete(m, k)  // remove element m[k] from map m
 </pre>
 
 <p>
-If the element <code>m[k]</code> does not exist, <code>delete</code> is
-a no-op. Calling <code>delete</code> with a nil map causes a
-<a href="#Run_time_panics">run-time panic</a>.
+If the map <code>m</code> is <code>nil</code> or the element <code>m[k]</code>
+does not exist, <code>delete</code> is a no-op.
 </p>