go by example part 3

5-go-by-example/25-channel-buffering.go

@@ -0,0 +1,18 @@
+// By default channels are unbuffered, meaning that they will only accept sends (chan <-) if there is a corresponding receive (<- chan) ready to receive the sent value
+// Buffered channels accept a limited number of values without a corresponding receiver for those values
+package main
+
+import "fmt"
+
+func main() {
+	// create channel of strings buffering up to 2 values
+	messages := make(chan string, 2)
+
+	// send values into the channel without corresponding concurrent receive
+	messages <- "buffered"
+	messages <- "channel"
+
+	// receive values as usual
+	fmt.Println(<-messages)
+	fmt.Println(<-messages)
+}