Redefine the function declaration and definition are. HPP file, and HPP begins using the # pragma once, why in my project document containing the HPP will redefine the thought, my project has more than one place contains the HPP file

CodePudding user response:

To highlight, has been in. Obj file definition

CodePudding user response:

To highlight, has been in. Obj file definition

CodePudding user response:

https://blog.csdn.net/Yan_Less/article/details/73149578

CodePudding user response:

The function in the class can write directly in the class declaration

 class A 
{
Public: 
Void fun () {} 
}; 

CodePudding user response:

CodePudding user response:

CodePudding user response:

reference 4 floor zgl7903 response:

class functions in the implementation can be write directly in the class declaration

 class A 
{
Public: 
Void fun () {} 
}; 

predecessors this I know, but I still can't solve.. Please look at 4 5 floor!