package main
import "fmt"
type Animal interface {
Speak()
}
type Dog struct {
Name string
}
func NewDog(name string) *Dog {
return &Dog{Name: name}
}
func (d Dog) Speak() {
fmt.Printf("%s says Woof!\n", d.Name)
}
type Cat struct {
Name string
}
func NewCat(name string) *Cat {
return &Cat{Name: name}
}
func (c Cat) Speak() {
fmt.Printf("%s says Meow!\n", c.Name)
}
func main() {
dog := NewDog("Buddy")
cat := NewCat("Whiskers")
animals := []Animal{dog, cat}
for _, animal := range animals {
animal.Speak()
}
}
