Add Goroutines

goroutines/goroutines.go

@@ -0,0 +1,26 @@
+package goroutines
+
+import (
+	"fmt"
+	"time"
+)
+
+func print1To20(label string) {
+	for i := range 20 {
+		fmt.Printf("%s:%d\n", label, i+1)
+	}
+}
+
+func Goroutines() {
+	print1To20("Synchronous")
+
+	go print1To20("Goroutine 1")
+
+	go func(label string) {
+		print1To20(label)
+	}("Goroutine 2")
+
+	fmt.Println("Crudely waiting for 2 seconds")
+	time.Sleep(2 * time.Second)
+	fmt.Println("Done")
+}