alexchowle · February 7, 2016 16:57 · Feb 7, 2016 · Feb 7, 2016
diff --git a/pingpong.go b/pingpong.go
@@ -24,7 +24,7 @@ func pinger(pingChan chan<- string) {
 }
 
 func ponger(pingChan <-chan string, pongChan chan<- string) {
-	// receive and discard the ping
+	// receive the ping
 	fmt.Println("ponger received", <-pingChan)
 
 	// respond with a pong

diff --git a/pingpong.go b/pingpong.go
@@ -0,0 +1,38 @@
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	pingChan := make(chan string)
+	pongChan := make(chan string)
+
+	go printer(pongChan)
+	go pinger(pingChan)
+	go ponger(pingChan, pongChan)
+
+	// Need to block until all complete
+	var input string
+	fmt.Scanln(&input)
+}
+
+func pinger(pingChan chan<- string) {
+	// Send a ping
+	fmt.Println("pinger sending \"ping\"")
+	pingChan <- "ping"
+}
+
+func ponger(pingChan <-chan string, pongChan chan<- string) {
+	// receive and discard the ping
+	fmt.Println("ponger received", <-pingChan)
+
+	// respond with a pong
+	fmt.Println("ponger replying with \"pong\"")
+	pongChan <- "pong"
+}
+
+func printer(pongChan <-chan string) {
+	// read the pong
+	fmt.Println("printer received", <-pongChan)
+}