Function mod

extlibs/fmt/include/fmt/chrono.h:698–700

template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
inline T mod(T x, int y) {
  return x % static_cast<T>(y);
}
template <typename T, FMT_ENABLE_IF(std::is_floating_point<T>::value)>
inline T mod(T x, int y) {
  return std::fmod(x, static_cast<T>(y));