[x/blog] support/racy: delete program, inline into article

Change-Id: I1ba0d4aacdf23cf3378c7ab82af78d3940aff136
Reviewed-on: https://go-review.googlesource.com/c/blog/+/321669
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
X-Blog-Commit: ca2da54016440ba553b4b939b1ba248fd1d9b1bc

2 files changed, 20 insertions, 26 deletions

diff --git a/blog/_content/race-detector.article b/blog/_content/race-detector.article
index 5a9a0a7e..657bec40 100644
--- a/blog/_content/race-detector.article
+++ b/blog/_content/race-detector.article
@@ -63,10 +63,27 @@ To build your code with the race detector enabled, just add the
 	$ go build -race mycmd   // build the command
 	$ go install -race mypkg // install the package
 
-To try out the race detector for yourself, fetch and run this example program:
+To try out the race detector for yourself, copy this example program into `racy.go`:
 
-	$ go get -race golang.org/x/blog/support/racy
-	$ racy
+	package main
+
+	import "fmt"
+
+	func main() {
+		done := make(chan bool)
+		m := make(map[string]string)
+		m["name"] = "world"
+		go func() {
+			m["name"] = "data race"
+			done <- true
+		}()
+		fmt.Println("Hello,", m["name"])
+		<-done
+	}
+
+Then run it with the race detector enabled:
+
+	$ go run -race racy.go
 
 ## Examples
 
diff --git a/blog/support/racy/racy.go b/blog/support/racy/racy.go
deleted file mode 100644
index e23ba9ba..00000000
--- a/blog/support/racy/racy.go
+++ /dev/null
@@ -1,23 +0,0 @@
-// Copyright 2013 The Go Authors.  All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build !appengine
-
-// This program demonstrates a race condition.
-// To observe the race with the race detector, build with -race.
-package main
-
-import "fmt"
-
-func main() {
-	done := make(chan bool)
-	m := make(map[string]string)
-	m["name"] = "world"
-	go func() {
-		m["name"] = "data race"
-		done <- true
-	}()
-	fmt.Println("Hello,", m["name"])
-	<-done
-}