Add select...default

main.go

@@ -7,7 +7,8 @@ package main
 // import "git.sangeeth.dev/gobyexample/goroutines"
 // import "git.sangeeth.dev/gobyexample/channels"
 // import "git.sangeeth.dev/gobyexample/cselect"
-import "git.sangeeth.dev/gobyexample/timeouts"
+// import "git.sangeeth.dev/gobyexample/timeouts"
+import "git.sangeeth.dev/gobyexample/selectdefault"
 
 func main() {
 	// runes.Runes()
@@ -17,5 +18,6 @@ func main() {
 	// goroutines.Goroutines()
 	// channels.Channels()
 	// cselect.Select()
-	timeouts.Timeouts()
+	// timeouts.Timeouts()
+	selectdefault.SelectDefault()
 }

selectdefault/selectdefault.go

@@ -0,0 +1,31 @@
+package selectdefault
+
+import "fmt"
+
+func SelectDefault() {
+	msgs := make(chan string)
+	signals := make(chan string)
+
+	select {
+	case val := <-msgs:
+		fmt.Println("Received", val)
+	default:
+		fmt.Println("`default` can be used to prevent blocking when there's nothing to receive from a channel")
+	}
+
+	select {
+	case msgs <- "hello":
+		fmt.Println("Sent hello")
+	default:
+		fmt.Println("`default` can be used to prevent blocking when we send something to an unbuffered channel but there's nobody to receive")
+	}
+
+	select {
+	case val := <-msgs:
+		fmt.Println("Received something from msgs", val)
+	case val := <-signals:
+		fmt.Println("Received something from signals", val)
+	default:
+		fmt.Println("`default` can be used to prevent blocking when there's nothing to receive or if its not possible to send across multiple channels")
+	}
+}