Example #5: generic print function

lesson8/05_generic_print.go

@@ -0,0 +1,23 @@
+// Type parameters introduced to Go in version 1.18
+// -> generic function!
+
+// Now the function printValue accepts value of any type
+
+// (in Scala - any is "top type", none is "bottom type")
+
+package main
+
+import "fmt"
+
+func printValue[T any](value T) {
+	fmt.Println(value)
+}
+
+func main() {
+	printValue("www.root.cz")
+	printValue('*')
+	printValue(42)
+	printValue(3.14)
+	printValue(1 + 2i)
+	printValue([]int{1, 2, 3})
+}