Consider the following snippet:
void Foo() // 1
{
}
namespace
{
void Foo() // 2
{
}
}
int main()
{
Foo(); // Ambiguous.
::Foo(); // Calls the Foo in the global namespace (Foo #1).
// I'm trying to call the `Foo` that's defined in the anonymous namespace (Foo #2).
}
How can I refer to something inside an anonymous namespace in this case?
You can't. The standard contains the following section (§7.3.1.1, C++03):
Thus you have no way to refer to that unique name.
You could however technically use something like the following instead: