<mp-units/framework/quantity.h>
template<
typename CharT,
typename Traits,
auto R,
typename Rep>
std::basic_ostream<CharT, Traits>&
operator<<(
std::basic_ostream<CharT, Traits>& os,
quantity<R, Rep> const& q)
requires requires { os << q.numerical_value_ref_in(q.unit); };
Name | Description |
---|---|
os | An output stream |
q | The object to output |