add methods from another package

simple-structure/package-str/example/main.go

@@ -24,4 +24,12 @@ func main() {
 	car3_1.Name = "ford"
 	// car3_1.color = "green" // undefined
 	fmt.Println(car3_1)
+
+	fmt.Printf("\n\n")
+
+	// car1.reset() // also functions/methods cannot be used outside of package itself
+
+	car1.Reset2() // works
+	fmt.Println(car1)
+
 }

simple-structure/package-str/great/great.go

@@ -32,6 +32,16 @@ func (c Car3) String() string {
 	return fmt.Sprintf("car color:%q | name:%q", c.color, c.Name)
 }
 
+func (c *Car) reset() {
+	c.Name = ""
+	c.Color = ""
+}
+
+func (c *Car) Reset2() {
+	c.Name = ""
+	c.Color = ""
+}
+
 func Hello() {
 	fmt.Println("Hello World (go-organization/simple-structure/package-str/great/great.go)")
 }