utx::mean_v is similar to utx::mean_t, but it returns a related value for a condition.
Calling sig:
template <bool condition, auto result1, auto result2> constexpr auto mean_v = ???;
If condition is true, result is result1; if condition is false, result is result2.
#include <utxcpp/core.hpp>
#include <utxcpp/core.hpp> int main() { static_assert(utx::mean_v<true, 123, 321.123> == 123); static_assert(utx::mean_v<false, 123, 321.123> == 321.123); }