// Example program
#include <iostream>

namespace glm {
    static const char *m = "A";
    namespace internal {
        static const char *o = "C";
    }
}

namespace MyMathImpl {
    static const char *n = "B";
}

namespace Math {
    using glm::m;
    using namespace MyMathImpl;
    using namespace glm::internal;
}

int main()
{
  std::cout << Math::m << ' ' << Math::n << " " << Math::o << std::endl;
}