package test

type Cmd interface{
	Result()bool
	Output()string
}

type cmd struct{
	r bool
	o string
}

func (c *cmd)exec(s string, args ...string){
	//....
	// c.r = ...
	//c.o = ...
}

func (c *cmd)Result()bool{
	return c.r
}

func (c *cmd)Output()string{
	return c.o
}

func Exec(s string, args ...string)Cmd{
	c := &cmd{}
	c.exec(s, args...)
	return c
}