Re: Divide Large Class?
Immortal Nephi wrote:
[..]
My question is ? how can one big class break into smaller sub-
classes. [..]
The answer is "inheritance".
struct A { int a; void foo_a(); void bar_a(); };
struct B { double b; void foo_b(); void bar_b(); };
struct C { char c; void foo_c(); void bar_c(); };
struct ABC: A, B, C {};
That can be seen as a better alternative to
struct ABC {
int a;
double b;
char c;
void foo_a();
void bar_a();
void foo_b();
void bar_b();
void foo_c();
void bar_c();
};
Whether it makes sense or not, it's for the programmer to decide. Of
course the problem with inheriting those classes is that 'A::foo_a' has
no way of getting to the 'C' part (so to speak). So, if it needs to,
you would have to keep them together. A possible alternative is to
extract all data into a separate class, a virtual base to all "parts":
struct VeryBase { int a; double b; char c; };
struct A : virtual VeryBase { void foo_a(); void bar_a(); };
struct B : virtual VeryBase { void foo_b(); void bar_b(); };
struct C : virtual VeryBase { void foo_c(); void bar_c(); };
struct ABC: A, B, C {};
V
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