(Partially) specializing a non-type template parameter of dependent type

Question

Maybe I\'m tired, but I\'m stuck with this simple partial specialization, which doesn\'t work because non-type template argument specializes a template parameter with

Answer 1

Solution using Yakk's solution:

#include 
#include 

template  
struct X {
  static const bool isZero = false;
};

template 
struct X < T, N, typename std::enable_if::type > {
  static const bool isZero = true;
};

int main(int argc, char* argv[]) {
    std::cout << X ::isZero << std::endl;
    std::cout << X ::isZero << std::endl;
    return 0;
}

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