builtin: clarify effect of close on receive
Fixes #53041
Change-Id: If6580c8f0f14edfdc297d3239a7767ce0570ff79
Reviewed-on: https://go-review.googlesource.com/c/go/+/407975
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Rob Pike <r@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
diff --git a/src/builtin/builtin.go b/src/builtin/builtin.go
index e3e4df9..7feb209 100644
--- a/src/builtin/builtin.go
+++ b/src/builtin/builtin.go
@@ -236,7 +236,7 @@
//
// x, ok := <-c
//
-// will also set ok to false for a closed channel.
+// will also set ok to false for a closed and empty channel.
func close(c chan<- Type)
// The panic built-in function stops normal execution of the current
