c++ 虚拟抽象类

Runnable.h：
1 #ifndef RUNNABL_H_
  2 #define RUNNABL_H_
  3
  4 class Runnable
  5 {
  6
  7
  8         public:
  9
10                virtual void* run (void * v) = 0;
11
12
13 };
14 #endif

Runnable.cpp
1 #include "Runnable.h"
TaskRunnable.h：
  1 #ifndef TASK_RUNNABLE_h
  2 #define TASK_RUNNABLE_h
  3 #include "Runnable.h"
  4
  5 class TaskRunnable: public Runnable
  6 {
  7
  8     public:
  9
10                  virtual  void* run(void *v);
11
12
13 };
14 #endif

TaskRunnable.cpp：
  1 #include<iostream>
  2 #include "TaskRunnable.h"
  3 using namespace std;
  4
  5 void * TaskRunnable::run (void * v){
  6
  7
  8       cout<<" exe a run! "<<endl;
  9
10
11 }
~