Re: C or C++?
On May 14, 11:07 am, Branimir Maksimovic <b...@hotmail.com> wrote:
On May 14, 10:14 am, James Kanze <james.ka...@gmail.com> wrote:
On May 13, 3:01 pm, Juha Nieminen <nos...@thanks.invalid> wrote:
Gianni Mariani wrote:
J) In C++, restrict your interface by 'public', 'private' and
'protected' members, in C everything is public.
In my experience one common difficulty self-taught C programmers,
who haven't learned nor understand object-oriented programming and
the abstraction/modularity related to it, is that they often have
hard time accepting the notion of public member variables being,
in the general case, a bad thing. They just can't understand why
everything can't just be public and why information hiding and
abstraction are a good thing. It often takes long time for them
to finally understand why.
It probably depends on where you learned C. I was a
"self-taught" C programmer, but the usual way I've always seen C
written (even 20 years ago) was to define a struct and a set of
functions to manipulate it, and then to cross your fingers that
no one accessed any of the struct except for your functions.
Couldn't you just use forward declaration of
struct, while hiding definition in implementation file,
if data members are not meant for public access?
It depends. That was the usual solution when all of the objects
were to be dynamically allocated anyway. It doesn't work too
well when you want objects to allocated on the stack.
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