Re: Call constructor in another
Blair Craft wrote:
hi,
I got a class have 2 constructors:
static int g_idx_counter = 0;
[code]
Object::Object():{
counter = g_idx_counter++;
created_at = last_used = time(NULL);
destroyed = false;
id = -1;
}
Object::Object(int _id){
Object();
The line Object() creates a temporary object of type Object and initializes
it using the constructor Object::Object(). It does not call the constructor
Object::Object() for the object currently being initialized by
Object::Object(int).
id = _id;
}
[/code]
when I use:
Object *o = new Object();
everything is OK, but when using the second constructor:
Object *o = new Object(32);
member variable "counter" will remain untouched, I did a gdb trace,
Object::Object() was invoked and inside that function "counter" was
initialized, when function returns "counter" went back to 0
again. Behavior is like a local variable inside a code chunk, but here
counter is a class member variable, anyone can shed some light?
Constructors do not work like ordinary member functions. That's why they
are "special".
Best
Kai-Uwe Bux
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