In the c++ header class, There is a function that looks like
// AAA.h
void functioname() {}
I don't know why it has {} in the header file. what is this?? I don't think it is a way to declare the function, is it a constructor?
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2It's an (empty) function body. – Aykhan Hagverdili Mar 08 '21 at 17:21
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Have a look at our [C++ books list](https://stackoverflow.com/q/388242/10147399) – Aykhan Hagverdili Mar 08 '21 at 17:22