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yeah i caught that too, seems that things are missing in the example codes.
This chapter is about Special Classes and Functions : Pointers to Member Functions.

Your version is simpler :)

but any how I did as you suggested and added the "&" reference operator and it came out working :) thanks :D

I believe it's supposed to be a pointer to that function declaration, I'm still learning so I could be mistaken.
The code came from an online course that I'm using to learn.
The code is kind of...

Hi, I'm trying to learn c++. I just came across a error I couldn't figure out.

I keep getting this error: "call to non-static member function without an object argument "

For this line :
...