I'm trying to define three functions with C++14 as below:
template <typename D = std::chrono::seconds>
typename D::rep test() {
// somethinig
}
template <std::intmax_t N, std::intmax_t D = 1, typename V = uint64_t>
V test() {
// something
}
The two functions work as expected. I can call them like test<std::chrono::minutes>()
and test<60>
. Now, I want to define the third function, which accepts a std::ratio
as a template parameter.
template <template<std::intmax_t, std::intmax_t> class R, std::intmax_t N, std::intmax_t D, typename V = uint64_t>
V test() {
// R<N, D> should be std::ratio<N, D>
// something
}
But in this case I would get a compile-time error while calling test<std::milli>()
. I think it's because the compiler mixed up the first function and the third function. How could I define the third one?
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