package main import "fmt" func main() { s := []int{10, 11, 12, 13} fmt.Printf("&s[0]: %p, cap(s): %d\n", &s[0], cap(s)) fmt.Printf("s: %#v\n", s) i := 1 // index of 11 n := 2 // remove 2 elements s = append(s[:i], s[i+n:]...) fmt.Print("\nAfter removal:\n") fmt.Printf("&s[0]: %p, cap(s): %d\n", &s[0], cap(s)) fmt.Printf("s: %#v\n", s) s = append(s, 1, 2, 3, 4) fmt.Printf("\nAfter appending beyond remaining capacity:\n") fmt.Printf("&s[0]: %p, cap(s): %d\n", &s[0], cap(s)) fmt.Printf("s: %#v\n", s) }