Re: I guess all of you know this one... static variable in class A acces from B

From:
"Alf P. Steinbach" <alfps@start.no>
Newsgroups:
comp.lang.c++
Date:
Sat, 22 Jul 2006 11:50:56 +0200
Message-ID:
<4iealbF3e2k2U1@individual.net>
* silversurfer2025:

Hello everyone,
once again, I have a very basic problem in C++, which I was not able to
solve (maybe because of my Java-Experience or just because it is always
the small syntax-things which break my neck in C++)...

I would like to have a static variable in class A and change its value
from class B (they are not related to each other)

For example:

class A {
poublic:
    std::pair <int,int> test


Missing 'static'. Missing semicolon.

}


Missing semicolon.

class B{
poublic:
    void testing();
}


Missing semicolon.

void B::testing() {
    std::cout (A::test).first;


Missing "<<" operator.

    A::test = std::make_pair(1,1);
}

If I write it as above, I always get undefined reference to
`A::test'... How should I do it?


Post a minimal and complete program that illustrates the problem.

The above is not the code you have tried.

It is, simply put, just a way to mislead people about what you're
actually trying.

--
A: Because it messes up the order in which people normally read text.
Q: Why is it such a bad thing?
A: Top-posting.
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