Stream insertion operator
<mp-units/framework/dimension.h>
template<
    typename CharT,
    typename Traits,
    Unit D>
std::basic_ostream<CharT, Traits>&
operator<<(
    std::basic_ostream<CharT, Traits>& os,
    D d);
| Name | Description | 
|---|---|
| os | An output stream | 
| d | The object to output |