On Thu, Nov 27, 2014, at 07:27, koneu wrote:
> Greetings.
>
> The two things that really make OO languages worthwhile in my opinion
> are polymorphism and inheritance. Doing polymorphism and data/code
> hiding in C is easy enough with const function pointers. You can just
> define public interfaces in their own header like
>
> struct interface {
> void * const this;
> int (* const get_foo)(void *this);
> void (* const set_foo)(void *this, int foo);
> char * (* const get_bar)(void *this);
> void (* const set_bar)(void *this, char *bar);
> };
>
> and implement them in "classes" like
>
> struct class {
> int foo;
> char *bar;
> };
In general when this is done in real life, you do it the other way
around, so you only need one copy of the interface structure per class.
