### 切片和数组的关系 切片是依赖于底层的数组的,相当于是对底层数组的一次引用 ~~~ a := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10} s1 := a[2:5] fmt.Println(s1) s1[0] = 666 fmt.Println(a) s2 := s1[2:7] fmt.Println(s2) s2[2] = 777 fmt.Println(a) ~~~ ~~~ [3 4 5] [1 2 666 4 5 6 7 8 9 10] [5 6 7 8 9] [1 2 666 4 5 6 777 8 9 10] ~~~