Re: [Newbie] Namespace and inheritance...
On 7/13/2012 4:54 PM, plug.gulp@gmail.com wrote:
Hello,
I am learning C++. I wrote the following C++ code to understand
namespace and inheritance. It does not compile(g++ 4.6.3), but when I
explicitly specify the scope resolution the program works. Why am I not
able to directly call the public method implemented in the base class?
namespace N1 {
class C
{
public:
void F(const std::string& s)
{
std::cout << "N1::C::F(str): " << s.c_str() << std::endl;
}
};
};
namespace N2 {
class C : public N1::C
{
public:
void F(int i)
{
std::cout << "N2::C::F(int): " << i << std::endl;
}
};
};
int main()
{
N2::C c;
c.F(1);
// The following statement does not compile unless
// it is called with full scope resolution as follows:
// c.N1::C::F("one");
c.F("one");
return 0;
}
This is covered by the FAQ. Please read FAQ before posting. You can
find the FAQ Lite here: http://www.parashift.com/c++-faq-lite/. Hint:
see section 23. And crank up the warning level on your compiler, maybe
you will get a useful diagnostic out of that tool for a change...
V
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