1 package main
2
3 import "fmt"
4 //import OS "os"
5 //import "strings"
6 //import "path/filepath"
7
8 type Stack []interface{}
9
10 func (s *Stack)f() {
11 stack := *s
12
13 fmt.Printf("%p %d %d\n", &s, len(stack), cap(stack))
14
15 *s = stack[:len(stack) - 1] //减少
16
17 fmt.Printf("%p %d %d\n", &s, len(*s), cap(*s))
18
19 fmt.Printf("%p %d %d\n", stack, len(stack), cap(stack))
20
21 stack = append(stack, "e", "f") //增加
22
23 fmt.Printf("%p %d %d\n",stack, len(stack), cap(stack))
24 }
25
26
27 func main() {
28 var s Stack
29 s = append(s, "a", "b", "c", "d")
30 s.f()
31 fmt.Println(s)
32 fmt.Printf("%t\n", false)
33 }
