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