Files
the-way-to-go_ZH_CN/eBook/exercises/chapter_7/magnify_slice.go
2017-02-11 12:26:05 +08:00

26 lines
508 B
Go
Executable File

package main
import "fmt"
var s []int
func main() {
s = []int{1, 2, 3}
fmt.Println("The length of s before enlarging is:", len(s))
fmt.Println(s)
s = enlarge(s, 5)
fmt.Println("The length of s after enlarging is:", len(s))
fmt.Println(s)
}
func enlarge(s []int, factor int) []int {
ns := make([]int, len(s)*factor)
// fmt.Println("The length of ns is:", len(ns))
copy(ns, s)
//fmt.Println(ns)
s = ns
//fmt.Println(s)
//fmt.Println("The length of s after enlarging is:", len(s))
return s
}