mp_units::quantity_spec<QS, Eq, Args...>::_is_non_negative_

Synopsis

Declared in <mp-units/framework/quantity_spec_definitions.h>

inline constexpr static
bool _is_non_negative_ = mp_units::contains<struct non_negative, Args...>() || (!mp_units::contains<struct possibly_negative, Args...>() &&
                                                           _character_ == quantity_character{} && QS._is_non_negative_);