golang技术随笔（一）深入理解interface
type IPizzaCooker interface {
Prepare(*Pizza)
Bake(*Pizza)
Cut(*Pizza)
}
func cookOnePizza(ipc IPizzaCooker) *Pizza {
p := new(Pizza)
ipc.Prepare(p)
ipc.Bake(p)
ipc.Cut(p)
return p
}
type PizzaDefaultCooker struct {
}
func (this *PizzaDefaultCooker) CookOnePizza() *Pizza {
return cookOnePizza(this)
}
func (this *PizzaDefaultCooker) Prepare(*Pizza) {
//....default prepare pizza
}
func (this *PizzaDefaultCooker) Bake(*Pizza) {
//....default bake pizza
}
func (this *PizzaDefaultCooker) Cut(*Pizza) {
//....default cut pizza
}
type MyPizzaCooker struct {
PizzaDefaultCooker
}
func (this *MyPizzaCooker) CookOnePizza() *Pizza {
return cookOnePizza(this)
}
func (this *MyPizzaCooker) Bake(*Pizza) {
//....bake pizza use my style
}
func main() {
var cooker MyPizzaCooker
p := cooker.CookOnePizza()
//....
}