26 lines
408 B
Go
26 lines
408 B
Go
|
package main
|
||
|
|
|
||
|
|
import "fmt"
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
var s []int
|
||
|
|
printSlice(s)
|
||
|
|
|
||
|
|
// append works on nil slices
|
||
|
|
s = append(s, 0)
|
||
|
|
printSlice(s)
|
||
|
|
|
||
|
|
// the slice grows as needed
|
||
|
|
s = append(s, 1)
|
||
|
|
printSlice(s)
|
||
|
|
|
||
|
|
// we can add more than one element at a time
|
||
|
|
s = append(s, 2, 3, 4)
|
||
|
|
printSlice(s)
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
func printSlice(s []int) {
|
||
|
|
fmt.Printf("len=%d cap=%d %v\n", len(s), cap(s), s)
|
||
|
|
}
|