写出程序运行的结果:

package main

import (
    "fmt"
)

func main(){
    s := make([]int, 10)

    s = append(s, 1, 2, 3)

    fmt.Println(s)
}
答: [0 0 0 0 0 0 0 0 0 0 1 2 3] make( 类型 , cap , len) 若只填写 cap, 则 len = cap 因此 s := make([]int, 10) s 切片的值 [0 0 0 0 0 0 0 0 0 0]