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package main import "fmt" type Person struct { Name string Address Address } type Address struct { Number string Street string City string State string Zip string } type Human interface { Talk() } func (p *Person) Talk() { fmt.Println("Hi, my name is", p.Name) } func (p *Person) Location() { fmt.Println("I’m at", p.Address.Number, p.Address.Street, p.Address.City, p.Address.State, p.Address.Zip) } type Citizen struct { Country string Person } func (c *Citizen) Nationality() { fmt.Println(c.Name, "is a citizen of", c.Country) } func (c *Citizen) Talk() { fmt.Println("Hello, my name is", c.Name, "and I'm from", c.Country) } func SpeakTo(h Human) { h.Talk() } func main() { p := Person{Name: "Dave"} c := Citizen{Person: Person{Name: "Steve"}, Country: "America"} SpeakTo(&p) SpeakTo(&c) }
运行结果 :
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