点击运行
package main import ( "fmt" ) func main() { cars := []string{"Ferrari", "Honda", "Ford"} fmt.Println("cars:", cars, "长度：", len(cars), "； 容量", cap(cars)) //cars的容量 3 cars = append(cars, "Toyota") fmt.Println("cars:", cars, "新的长度", len(cars), "； 容量", cap(cars)) //cars的容量现在是6 }
运行结果 :
正在执行...
