76   if constexpr (same_as<typename _Period::type, atto>)  in __units_suffix()
78   else if constexpr (same_as<typename _Period::type, femto>)  in __units_suffix()
80   else if constexpr (same_as<typename _Period::type, pico>)  in __units_suffix()
82   else if constexpr (same_as<typename _Period::type, nano>)  in __units_suffix()
84   else if constexpr (same_as<typename _Period::type, micro>)  in __units_suffix()
90   else if constexpr (same_as<typename _Period::type, milli>)  in __units_suffix()
92   else if constexpr (same_as<typename _Period::type, centi>)  in __units_suffix()
94   else if constexpr (same_as<typename _Period::type, deci>)  in __units_suffix()
96   else if constexpr (same_as<typename _Period::type, ratio<1>>)  in __units_suffix()
98   else if constexpr (same_as<typename _Period::type, deca>)  in __units_suffix()
100   else if constexpr (same_as<typename _Period::type, hecto>)  in __units_suffix()
102   else if constexpr (same_as<typename _Period::type, kilo>)  in __units_suffix()
104   else if constexpr (same_as<typename _Period::type, mega>)  in __units_suffix()
106   else if constexpr (same_as<typename _Period::type, giga>)  in __units_suffix()
108   else if constexpr (same_as<typename _Period::type, tera>)  in __units_suffix()
110   else if constexpr (same_as<typename _Period::type, peta>)  in __units_suffix()
112   else if constexpr (same_as<typename _Period::type, exa>)  in __units_suffix()
114   else if constexpr (same_as<typename _Period::type, ratio<60>>)  in __units_suffix()
116   else if constexpr (same_as<typename _Period::type, ratio<3600>>)  in __units_suffix()
118   else if constexpr (same_as<typename _Period::type, ratio<86400>>)  in __units_suffix()