c++结构体简单例子

 1 int main(){  2  3 MyTree *t1 = new MyTree(1);  4 MyTree *t2 ;  5 t2->val = 2;  6 cout<<t1->val<<" "<<t2->val; //输出：1 2  7 t2.val = 3; //error: request for member 'val' in 't2', whitch is of pointer type 'MyTree*' (maybe you meant to use '->' ?)  8 cout<<t2.val; //error: request for member 'val' in 't2', which is of pointer type 'MyTree*' (maybe you mean to use '->' ?  9 return 0; 10 }

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