c++11 lambda递归调用写法

 1     std::function<void(Node * container,const BlendFunc &blendFunc)> blendFucCall;
 2     
 3     blendFucCall = [&blendFucCall](Node * container,const BlendFunc &blendFunc)
 4     {
 5         for ( auto child : container->getChildren())
 6         {
 7             auto sp = dynamic_cast<Sprite*>(child);
 8             if (sp)
 9             {
10                 sp->setBlendFunc(blendFunc);
11             }
12             else
13             {
14                 blendFucCall(child,blendFunc);
15             }
16         }
17     };
18     blendFucCall(this,blendFunc);