课堂笔记

//函数调用 bind&function 
void fun(){
    CCLOG("Hello cocos");
    return;
}

std::function<void()> f = std::bind(fun);
fun();

void fun1(){
    int number = 8;
   // auto fc = [&](int i){
   auto fc = [=](int i)mutable{
        number++;
        return i+number;
        
       
    };
    
    cout<<fc(6);
}

//获得MenuItemFont得文件名

void SceneB:: onSelectFile(Ref *obj){
    MenuItemFont *it1 = (MenuItemFont *) obj;
    Label *lable = (Label*)it1->getLabel();
     CCLOG("%s",lable->getString().c_str() );
    
    

}

std::function<void(std::string)> f;//->函数对象