JZTXT

Fallible point in C/C++

发布时间 2023-09-22 21:53:38作者: 0x7F

Operator`[]`

The performance of [] in C and C++ is different.
e.g., when you excute A[index]

If A is a object, it will call the operator[]
If A is a pointer, it is equivalent to A + index

So, operator overloading is invalid to pointer.