#ifndef __HELLOWORLD_SCENE_H__

#define __HELLOWORLD_SCENE_H__

#include "cocos2d.h"

typedef std::function<void(int code)> TestCallback;

#define CALLBACK_1(__selector__,__target__, ...) std::bind(&__selector__,__target__, std::placeholders::_1, ##__VA_ARGS__)

class HelloWorld : public cocos2d::Layer{

public:

    static cocos2d::Scene* createScene();

    virtual bool init();

    CREATE_FUNC(HelloWorld);

private:

    void handler(int code);

    void testCallback(TestCallback callback);

};

#endif // __HELLOWORLD_SCENE_H__

#include "HelloWorldScene.h"

USING_NS_CC;

Scene* HelloWorld::createScene(){

    auto scene = Scene::create();

    auto layer = HelloWorld::create();

    scene->addChild(layer);

    return scene;

}

bool HelloWorld::init(){

    if ( !Layer::init() )return false;

    testCallback(CALLBACK_1(HelloWorld::handler,this));

    return true;

}

void HelloWorld::handler(int code){

    log("handler:%i",code);

}

void HelloWorld::testCallback(TestCallback callback){

    callback();

}