A class is really just nice syntax for functions and structs. (And structs are just nice notation for a bunch of variables, after all.) “Nice syntax” is not meant to be derogatory. Good notation helps us think, and classes help programmers for just that reason.
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class Fred {
private:
static int a,b,c;
int x,y;
public:
Fred(int a) {
x = a;
y = 0;
}
void joe(int m) {
a = x;
y = m;
}
};
main() {
Fred *f = new Fred(10);
f->joe(20);
}
| struct {
int a,b,c;
} Fred_static_part;
struct Fred_dynamic_part {
int x,y;
};
void Fred_Fred(struct Fred_dynamic_part *this, int a) {
this->x = a;
this->y = 0;
}
void Fred_joe(struct Fred_dynamic_part *this, int m) {
Fred_static_part.a = this->x;
this->y = m;
}
main() {
struct Fred_dynamic_part *f =
malloc(sizeof(struct Fred_dynamic_part));
Fred_Fred(f,10);
Fred_joe(f,20);
}
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