#include <type_traits>

template<typename Integer,
         std::enable_if_t<std::is_integral<Integer>::value>* = 0>
void foo(Integer) {}

template<typename Floating,
         std::enable_if_t<std::is_floating_point<Floating>::value>* = 0>
void foo(Floating) {}

int main()
{
    foo(3);
}