// +build OMIT package main import "fmt" func main() { s := []int{2, 3, 5, 7, 11, 13} printSlice(s) // Slice the slice to give it zero length. s = s[:0] printSlice(s) // Extend its length. s = s[:4] printSlice(s) // Drop its first two values. s = s[2:] printSlice(s) } func printSlice(s []int) { fmt.Printf("len=%d cap=%d %v\n", len(s), cap(s), s) }