go语言练习：接口

package main

import (
	"fmt"
)

type Run interface {              //这个接口的名字命名成Car更直观一点，除了distance方法外，后面可以加上百公里加速之类的方法
	distance() float64
　　　　//celebrate() float64
}

type Bwm struct {
	speed float64
	name string
	t float64
}

type Bens struct {
	speed float64
	name string
	t float64
}

func (bwm Bwm) distance() float64 {
	return bwm.speed*bwm.t
}

func (bens Bens) distance() float64 {
	return bens.speed*bens.t
}

func main()  {
	x:=Bwm{100,"bwm",10}
	y:=Bens{120,"bens",10}
	fmt.Println(x.name,"has run:",Run.distance(x),"km in",x.t,"hours")
	fmt.Println(y.name,"has run:",Run.distance(y),"km in",y.t,"hours")
}