template struct Poco::Util::Units::Internal::Convert3<T, Scale<U, Num, Den>>

#include <Units.h>

template <
    typename T,
    typename U,
    int Num,
    int Den
    >
struct Convert3<T, Scale<U, Num, Den>>
{
    // methods

    template <typename V>
    static
    V
    fn(const V& v);
};