C++, object declaration in header files

Question

I have some class, and in it I want to create object of another class ... Usually I do it in header file, I just put something like:

QString RSSName;

and it works because that class has constructor that has no parameters ...

So here's my problem: how do I do that for some class(let's say ErrorOutput) that has only constructor with 1 or more parameters? I don't want to create pointer to object, I need it to be something like this:

ErrorOutput err("test");

I hope I've described the question correctly, it's little sleepy over here :P

Thanks for help :)

Do you mean that you declare your own class in a header file, and declare a member variable? e.g. `class Something { QString RSSName; ... };` — Oliver Charlesworth, Jan 27 '11 at 00:01
@Oli Charlesworth: Yeah, I wanted to declare a member variable :) — xx77aBs, Jan 27 '11 at 00:05
Ah, you want the [member initialization list](http://stackoverflow.com/questions/1711990/). — fredoverflow, Jan 27 '11 at 00:07

score 3 · Accepted Answer · answered Jan 27 '11 at 00:00

3

It's a bit hard to tell from your description what exactly you are asking for, but it sounds like "RSSName" is a member variable in your class. If I'm correct about that, initialize it in the constructor's initialization list.

class Foo
{
public:
    Foo() : RSSName(someVal) { }

private:    
    QString RSSName;
}

answered Jan 27 '11 at 00:00

Ed S.

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Yeah, that's what I wanted ... The sad thing is that I knew about this, but just couldn't remember. It's time to go to sleep and continue tomorrow :) Thanks !! – xx77aBs Jan 27 '11 at 00:06

C++, object declaration in header files

1 Answers1