Question

I am still learning C++, and I have never really created my own namespaces before. I was experimenting with them and while I got most things to work, there’s one thing that I still can’t seem to do. I would like to be able to call a static method within a class without typing something like NameOfClass::method. Here is what I thought the code should look like, but it fails to compile:

File A.h,

namespace Test {     class A     {         public:             static int foo() { return 42; }     }; } 

File main.cpp,

#include <iostream>  #include 'A.h'  using namespace std; using namespace Test::A;  int main() {     cout << foo() << endl;      return 0; } 

The compiler gives me:

main.cpp:6: error: ‘A’ is not a namespace-name main.cpp:6: error: expected namespace-name before ‘;’ token main.cpp: In function ‘int main()’: main.cpp:10: error: ‘foo’ was not declared in this scope 

Is it possible to do what I am trying to do without typing A::foo?

Answer 1

There is no way around it you need to specify the class name for static methods.

using namespace Test; 

Then:

int answerToEverything = A::foo();