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By: a guest on Jul 10th, 2012  |  syntax: None  |  size: 1.01 KB  |  hits: 10  |  expires: Never
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  1. package main
  2.  
  3. import "fmt"
  4.  
  5. type iPacket interface {
  6.     GetCommand() int;
  7.     Check() bool;
  8.     Add();
  9.     Divide();
  10. }
  11.  
  12. type Packet struct {
  13.     Command int;
  14.     Sum int;
  15. }
  16.  
  17. func (p *Packet) GetCommand() int {
  18.     return p.Command;
  19. }
  20.  
  21. func (p *Packet) Check() bool {
  22.     return true;
  23. }
  24.  
  25. func (p *Packet) Add() {
  26.     //STUB
  27. }
  28.  
  29. func (p *Packet) Divide() {
  30.     //STUB
  31. }
  32.  
  33. type DummyPacket struct {
  34.     Packet;
  35.     HalfA int;
  36.     HalfB int;
  37. }
  38.  
  39. func (p *DummyPacket) Add() {
  40.     p.Sum = p.HalfA + p.HalfB;
  41. }
  42.  
  43. func (p *DummyPacket) Divide() {
  44.     p.HalfA = p.Sum / 2;
  45.     p.HalfB = p.Sum / 2;    
  46. }
  47.  
  48. func HandleDummy(p DummyPacket) {
  49.     fmt.Printf("DummySum: %d",p.Sum);
  50. }
  51.  
  52. func main() {
  53.     var pOrigin Packet;
  54.     pOrigin.Command = 1;
  55.     pOrigin.Sum = 10;
  56.     var pInterface iPacket;
  57.     pInterface = pOrigin;
  58.     if(pInterface.GetCommand()==1) {
  59.         pDestination := pInterface.(DummyPacket);
  60.         pDestination.Divide();
  61.         HandleDummy(pDestination);
  62.     }  
  63. }
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