From: Rob Pike <r@golang.org>
Date: Tue, 16 Aug 2011 06:03:30 +0000 (+1000)
Subject: builtin: correct description of a closed channel.
X-Git-Tag: weekly.2011-08-17~39
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=00dd2b4ab92b4491466196d69942ccb9eb5b4721;p=gostls13.git

builtin: correct description of a closed channel.

R=golang-dev, dvyukov
CC=golang-dev
https://golang.org/cl/4896046
---

diff --git a/src/pkg/builtin/builtin.go b/src/pkg/builtin/builtin.go
index f835580de8..07acce4f70 100644
--- a/src/pkg/builtin/builtin.go
+++ b/src/pkg/builtin/builtin.go
@@ -104,10 +104,10 @@ func imag(c ComplexType) FloatType
 // bidirectional or send-only. It should be executed only by the sender,
 // never the receiver, and has the effect of shutting down the channel after
 // the last sent value is received. After the last value has been received
-// from a closed channel c,
+// from a closed channel c, any receive from c will succeed without
+// blocking, returning the zero value for the channel element. The form
 //	x, ok := <-c
-// will set x to the channel element's zero value and ok to false, and select
-// clauses involving c will never execute.
+// will also set ok to false for a closed channel.
 func close(c chan<- Type)
 
 // The panic built-in function stops normal execution of the current