what the different abount const

[ah2005]

class test

{

public:

                     test(void);

                    ~test(void);

   

   int             constTest(const int a) const;

   int             constTestb(const int a);

   int             constTestc(const int a) const {return(a);}

   

};

so ,somebody can geive a example what the dfiierent on  constTest!

[ah2005]

nobody know it?

[Alain Verleyen]

https://www.mql5.com/en/docs/basis/oop/staticmembers#const

[Dominik Egert]

Short version:

Const variables can be initialized once and not be altered afterwards.

When declaring an object as const, only const members can be called.

Const member functions may not alter the object.