- r -

• radian_ratio : units::base_unit< Meter, Kilogram, Second, Radian, Ampere, Kelvin, Mole, Candela, Byte >
• radians_per_second_per_volt_t : frc::DCMotor
• range_type : detail::range_default_formatter< K, R, Char, enable_if_t<(K==range_format::sequence||K==range_format::map||K==range_format::set)> >
• Rate : frc::SlewRateLimiter< Unit >
• Rate_t : frc::SlewRateLimiter< Unit >
• ratio : units::unit_value_t< Units, Num, Denom >
• raw_pointer_iterator : wpi
• RawFunctor : hal::impl::SimCallbackRegistryBase
• RealLimits : detail::is_compatible_integer_type_impl< RealIntegerType, CompatibleNumberIntegerType, enable_if_t< std::is_integral< RealIntegerType >::value &&std::is_integral< CompatibleNumberIntegerType >::value &&!std::is_same< bool, CompatibleNumberIntegerType >::value > >
• RealScalar : Eigen::internal::matrix_exp_computeUV< MatrixType, double >, Eigen::internal::matrix_log_max_pade_degree< Scalar >, Eigen::MatrixPowerParenthesesReturnValue< MatrixType >, Eigen::MatrixPowerReturnValue< Derived >
• recursive_mutex : wpi
• recursive_spinlock : wpi
• reference : basic_json< ObjectType, ArrayType, StringType, BooleanType, NumberIntegerType, NumberUnsignedType, NumberFloatType, AllocatorType, JSONSerializer, BinaryType >, detail::counting_iterator, detail::iter_impl< BasicJsonType >, detail::iteration_proxy_value< IteratorType >, detail::iterator_traits< T *, enable_if_t< std::is_object< T >::value > >, detail::iterator_types< It, void_t< typename It::difference_type, typename It::value_type, typename It::pointer, typename It::reference, typename It::iterator_category > >, detail::json_reverse_iterator< Base >, wpi::circular_buffer< T >::iterator, wpi::DenseMapIterator< KeyT, ValueT, KeyInfoT, Bucket, IsConst >, wpi::impl::UidVectorIterator< It >, wpi::iterator_facade_base< DerivedT, IteratorCategoryT, T, DifferenceTypeT, PointerT, ReferenceT >, wpi::log::DataLogIterator, wpi::priority_queue< T, Sequence, Compare >, wpi::SmallPtrSetIterator< PtrTy >, wpi::SmallVectorImpl< T >, wpi::SmallVectorTemplateCommon< T, typename >, wpi::static_circular_buffer< T, N >::iterator, wpi::UidVector< T, reuse_threshold >
• remove_cvref_t : wpi
• rep : detail::chrono_formatter< FormatContext, OutputIt, Rep, Period >, hal::fpga_clock
• Request : wpi::detail::WorkerThreadThread< R, T >
• require_input_iter : ordered_map< Key, T, IgnoredLess, Allocator >
• result : detail::char_t_impl< S, enable_if_t< is_string< S >::value > >
• ret_type : wpi::cast_retty< To, From >, wpi::cast_retty_impl< To, From >, wpi::cast_retty_impl< To, const From * >, wpi::cast_retty_impl< To, const From *const >, wpi::cast_retty_impl< To, const From >, wpi::cast_retty_impl< To, From * >, wpi::cast_retty_impl< To, std::unique_ptr< From > >, wpi::cast_retty_wrap< To, From, SimpleFrom >, wpi::cast_retty_wrap< To, FromTy, FromTy >
• RetType : wpi::simplify_type< const From >
• ReturnType : Eigen::internal::traits< MatrixComplexPowerReturnValue< Derived > >, Eigen::internal::traits< MatrixExponentialReturnValue< Derived > >, Eigen::internal::traits< MatrixFunctionReturnValue< Derived > >, Eigen::internal::traits< MatrixLogarithmReturnValue< Derived > >, Eigen::internal::traits< MatrixPowerParenthesesReturnValue< MatrixPowerType > >, Eigen::internal::traits< MatrixPowerReturnValue< Derived > >, Eigen::internal::traits< MatrixSquareRootReturnValue< Derived > >
• reverse_iterator : basic_json< ObjectType, ArrayType, StringType, BooleanType, NumberIntegerType, NumberUnsignedType, NumberFloatType, AllocatorType, JSONSerializer, BinaryType >, wpi::MapVector< KeyT, ValueT, MapType, VectorType >, wpi::SmallVectorTemplateCommon< T, typename >