Go implementation of inheritance bits

c&s20150725/inheritance.go

@@ -0,0 +1,55 @@
+package main
+
+import "fmt"
+
+type Pet struct {
+	Name      string
+	IsRunning bool
+}
+
+func NewPet(name string) *Pet {
+	return &Pet{Name: name}
+}
+
+func (p *Pet) Run() string {
+	p.IsRunning = true
+	return p.Name + " is running"
+}
+
+type Dog struct {
+	Pet
+
+	currentChaseTarget *Pet
+}
+
+func NewDog(name string) *Dog {
+	dog := &Dog{}
+	dog.Name = name
+	return dog
+}
+
+func (d *Dog) Chase(target *Pet) string {
+	d.IsRunning = true
+	d.currentChaseTarget = target
+	d.currentChaseTarget.Run()
+
+	return d.Name + " is chasing " + target.Name
+}
+
+func main() {
+	cat := NewPet("Felix")
+
+	fmt.Printf("%#v\n", cat)
+
+	cat.Run()
+
+	fmt.Printf("%#v\n", cat)
+
+	dog := NewDog("Fido")
+
+	fmt.Printf("%#v\n", dog)
+	fmt.Printf("%#v\n", dog.Chase(cat))
+
+	fmt.Printf("%#v\n", dog)
+	fmt.Printf("%#v\n", cat)
+}