Files
the-way-to-go_ZH_CN/eBook/examples/chapter_7/copy_append_slice.go
2015-03-03 12:25:25 -05:00

17 lines
338 B
Go

package main
import "fmt"
func main() {
sl_from := []int{1,2,3}
sl_to := make([]int,10)
n := copy(sl_to, sl_from)
fmt.Println(sl_to) // output: [1 2 3 0 0 0 0 0 0 0]
fmt.Printf("Copied %d elements\n", n) // n == 3
sl3 := []int{1,2,3}
sl3 = append(sl3, 4, 5, 6)
fmt.Println(sl3) // output: [1 2 3 4 5 6]
}