Here is a list of all functions with links to the classes they belong to:

- u -

• U() : slp::OCP< Scalar >, wpi::math::CoordinateAxis, wpi::math::ImplicitModelFollower< States, Inputs >, wpi::math::LinearQuadraticRegulator< States, Inputs >, wpi::math::LinearSystemLoop< States, Inputs, Outputs >
• uarray() : wpi::util::java::detail::JSpanBase< T, IsCritical, Size >
• Udp() : wpi::net::uv::Udp
• UDPClient() : wpi::net::UDPClient
• UdpSendReq() : wpi::net::uv::UdpSendReq
• Uff() : wpi::math::ControlAffinePlantInversionFeedforward< States, Inputs >, wpi::math::LinearPlantInversionFeedforward< States, Inputs >
• Uid() : wpi::net::uv::Process
• UidVectorIterator() : wpi::util::impl::UidVectorIterator< It >
• uint128_fallback() : detail::uint128_fallback
• UnaryMinusExpression() : slp::detail::UnaryMinusExpression< Scalar, T >
• unblock() : wpi::util::sig::Connection, wpi::util::sig::detail::SlotState, wpi::util::sig::SignalBase< Lockable, T >
• underlying() : range_formatter< T, Char, enable_if_t< conjunction< std::is_same< T, remove_cvref_t< T > >, is_formattable< T, Char > >::value > >
• unexpect_t() : wpi::util::unexpect_t
• unexpected() : wpi::util::unexpected< E >
• unflatten() : basic_json< ObjectType, ArrayType, StringType, BooleanType, NumberIntegerType, NumberUnsignedType, NumberFloatType, AllocatorType, JSONSerializer, BinaryType, CustomBaseClass >
• unget() : detail::fallback_file< F >, detail::file_base< F >
• unique_function() : wpi::util::unique_function< R(P...) const >, wpi::util::unique_function< R(P...)>
• UniqueFunctionBase() : wpi::util::detail::UniqueFunctionBase< ReturnT, ParamTs >
• UnitEntry() : wpi::nt::UnitEntry< T >
• UnitPublisher() : wpi::nt::UnitPublisher< T >
• UnitSubscriber() : wpi::nt::UnitSubscriber< T >
• UnitTopic() : wpi::nt::UnitTopic< T >
• Unless() : wpi::cmd::Command, wpi::cmd::CommandPtr
• UnlimitedHandleResource() : wpi::hal::UnlimitedHandleResource< THandle, TStruct, enumValue >
• unlock() : wpi::util::recursive_spinlock1, wpi::util::recursive_spinlock2, wpi::util::sig::detail::NullMutex, wpi::util::spinlock
• Unmap() : wpi::util::MappedFileRegion
• Unpack() : wpi::util::Protobuf< mrc::ControlData >, wpi::util::Protobuf< mrc::ErrorInfo >, wpi::util::Protobuf< mrc::Joystick >, wpi::util::Protobuf< mrc::JoystickDescriptor >, wpi::util::Protobuf< mrc::JoystickDescriptors >, wpi::util::Protobuf< mrc::JoystickOutput >, wpi::util::Protobuf< mrc::JoystickOutputs >, wpi::util::Protobuf< mrc::MatchInfo >, wpi::util::Protobuf< mrc::OpMode >, wpi::util::Protobuf< mrc::Touchpad >, wpi::util::Protobuf< mrc::TouchpadFinger >, wpi::util::Protobuf< std::vector< mrc::OpMode > >, wpi::util::Protobuf< wpi::math::ArmFeedforward >, wpi::util::Protobuf< wpi::math::ChassisAccelerations >, wpi::util::Protobuf< wpi::math::ChassisVelocities >, wpi::util::Protobuf< wpi::math::CubicHermiteSpline >, wpi::util::Protobuf< wpi::math::DCMotor >, wpi::util::Protobuf< wpi::math::DifferentialDriveFeedforward >, wpi::util::Protobuf< wpi::math::DifferentialDriveKinematics >, wpi::util::Protobuf< wpi::math::DifferentialDriveWheelAccelerations >, wpi::util::Protobuf< wpi::math::DifferentialDriveWheelPositions >, wpi::util::Protobuf< wpi::math::DifferentialDriveWheelVelocities >, wpi::util::Protobuf< wpi::math::DifferentialDriveWheelVoltages >, wpi::util::Protobuf< wpi::math::ElevatorFeedforward >, wpi::util::Protobuf< wpi::math::Ellipse2d >, wpi::util::Protobuf< wpi::math::LinearSystem< States, Inputs, Outputs > >, wpi::util::Protobuf< wpi::math::Matrixd< Rows, Cols, Options, MaxRows, MaxCols > >, wpi::util::Protobuf< wpi::math::Matrixd< Size, 1, Options, MaxRows, MaxCols > >, wpi::util::Protobuf< wpi::math::MecanumDriveKinematics >, wpi::util::Protobuf< wpi::math::MecanumDriveWheelAccelerations >, wpi::util::Protobuf< wpi::math::MecanumDriveWheelPositions >, wpi::util::Protobuf< wpi::math::MecanumDriveWheelVelocities >, wpi::util::Protobuf< wpi::math::Pose2d >, wpi::util::Protobuf< wpi::math::Pose3d >, wpi::util::Protobuf< wpi::math::Quaternion >, wpi::util::Protobuf< wpi::math::QuinticHermiteSpline >, wpi::util::Protobuf< wpi::math::Rectangle2d >, wpi::util::Protobuf< wpi::math::Rotation2d >, wpi::util::Protobuf< wpi::math::Rotation3d >, wpi::util::Protobuf< wpi::math::SimpleMotorFeedforward< Distance > >, wpi::util::Protobuf< wpi::math::SwerveDriveKinematics< NumModules > >, wpi::util::Protobuf< wpi::math::SwerveModuleAcceleration >, wpi::util::Protobuf< wpi::math::SwerveModulePosition >, wpi::util::Protobuf< wpi::math::SwerveModuleVelocity >, wpi::util::Protobuf< wpi::math::Trajectory >, wpi::util::Protobuf< wpi::math::Trajectory::State >, wpi::util::Protobuf< wpi::math::Transform2d >, wpi::util::Protobuf< wpi::math::Transform3d >, wpi::util::Protobuf< wpi::math::Translation2d >, wpi::util::Protobuf< wpi::math::Translation3d >, wpi::util::Protobuf< wpi::math::Twist2d >, wpi::util::Protobuf< wpi::math::Twist3d >, wpi::util::ProtobufMessage< T >, wpi::util::Struct< bool >, wpi::util::Struct< double >, wpi::util::Struct< float >, wpi::util::Struct< int16_t >, wpi::util::Struct< int32_t >, wpi::util::Struct< int64_t >, wpi::util::Struct< int8_t >, wpi::util::Struct< std::array< T, N >, I... >, wpi::util::Struct< uint16_t >, wpi::util::Struct< uint32_t >, wpi::util::Struct< uint64_t >, wpi::util::Struct< uint8_t >, wpi::util::Struct< wpi::hal::ControlWord >, wpi::util::Struct< wpi::math::ArmFeedforward >, wpi::util::Struct< wpi::math::ChassisAccelerations >, wpi::util::Struct< wpi::math::ChassisVelocities >, wpi::util::Struct< wpi::math::CubicHermiteSpline >, wpi::util::Struct< wpi::math::DCMotor >, wpi::util::Struct< wpi::math::DifferentialDriveFeedforward >, wpi::util::Struct< wpi::math::DifferentialDriveKinematics >, wpi::util::Struct< wpi::math::DifferentialDriveWheelAccelerations >, wpi::util::Struct< wpi::math::DifferentialDriveWheelPositions >, wpi::util::Struct< wpi::math::DifferentialDriveWheelVelocities >, wpi::util::Struct< wpi::math::DifferentialDriveWheelVoltages >, wpi::util::Struct< wpi::math::ElevatorFeedforward >, wpi::util::Struct< wpi::math::Ellipse2d >, wpi::util::Struct< wpi::math::LinearSystem< States, Inputs, Outputs > >, wpi::util::Struct< wpi::math::Matrixd< Rows, Cols, Options, MaxRows, MaxCols > >, wpi::util::Struct< wpi::math::Matrixd< Size, 1, Options, MaxRows, MaxCols > >, wpi::util::Struct< wpi::math::MecanumDriveKinematics >, wpi::util::Struct< wpi::math::MecanumDriveWheelAccelerations >, wpi::util::Struct< wpi::math::MecanumDriveWheelPositions >, wpi::util::Struct< wpi::math::MecanumDriveWheelVelocities >, wpi::util::Struct< wpi::math::Pose2d >, wpi::util::Struct< wpi::math::Pose3d >, wpi::util::Struct< wpi::math::Quaternion >, wpi::util::Struct< wpi::math::QuinticHermiteSpline >, wpi::util::Struct< wpi::math::Rectangle2d >, wpi::util::Struct< wpi::math::Rotation2d >, wpi::util::Struct< wpi::math::Rotation3d >, wpi::util::Struct< wpi::math::SimpleMotorFeedforward< Distance > >, wpi::util::Struct< wpi::math::SwerveDriveKinematics< NumModules > >, wpi::util::Struct< wpi::math::SwerveModuleAcceleration >, wpi::util::Struct< wpi::math::SwerveModulePosition >, wpi::util::Struct< wpi::math::SwerveModuleVelocity >, wpi::util::Struct< wpi::math::Transform2d >, wpi::util::Struct< wpi::math::Transform3d >, wpi::util::Struct< wpi::math::Translation2d >, wpi::util::Struct< wpi::math::Translation3d >, wpi::util::Struct< wpi::math::Twist2d >, wpi::util::Struct< wpi::math::Twist3d >
• UnpackCallback() : wpi::util::UnpackCallback< T, N >
• UnpackInto() : wpi::util::ProtobufMessage< T >, wpi::util::Struct< std::array< T, N >, I... >
• Unpublish() : wpi::nt::BooleanArrayEntry, wpi::nt::BooleanEntry, wpi::nt::DoubleArrayEntry, wpi::nt::DoubleEntry, wpi::nt::FloatArrayEntry, wpi::nt::FloatEntry, wpi::nt::GenericEntry, wpi::nt::IntegerArrayEntry, wpi::nt::IntegerEntry, wpi::nt::NetworkTableEntry, wpi::nt::ProtobufEntry< T >, wpi::nt::RawEntry, wpi::nt::StringArrayEntry, wpi::nt::StringEntry, wpi::nt::StructArrayEntry< T, I >, wpi::nt::StructEntry< T, I >, wpi::nt::UnitEntry< T >
• Unreference() : wpi::net::uv::Handle
• UnregisterAllSubsystems() : wpi::cmd::CommandScheduler
• UnregisterSubsystem() : wpi::cmd::CommandScheduler
• Unreserve() : wpi::log::DataLog::Buffer
• UnreserveCompressor() : wpi::PneumaticHub, wpi::PneumaticsBase, wpi::PneumaticsControlModule
• UnreserveSolenoids() : wpi::PneumaticHub, wpi::PneumaticsBase, wpi::PneumaticsControlModule
• UnsafeSend() : wpi::net::uv::Async< T >, wpi::net::uv::Async<>
• UnscentedKalmanFilter() : wpi::math::UnscentedKalmanFilter< States, Inputs, Outputs, SigmaPoints >
• UnsetLoop() : wpi::net::detail::WorkerThreadAsync< R >, wpi::net::detail::WorkerThreadAsync< void >, wpi::net::WorkerThread< R(T...)>
• unsupported() : detail::chrono_format_checker, detail::null_chrono_spec_handler< Derived >, detail::tm_format_checker
• Until() : wpi::cmd::Command, wpi::cmd::CommandPtr
• Unwrap() : wpi::cmd::CommandPtr
• unwrapValue() : wpi::util::ValueIsPresent< T, Enable >, wpi::util::ValueIsPresent< std::optional< T > >, wpi::util::ValueIsPresent< T, std::enable_if_t< IsNullable< T > > >
• UnwrapVector() : wpi::cmd::CommandPtr
• UPB_DESC() : upb_DefBuilder
• UPB_ONLYBITS() : upb_Arena, upb_Array, upb_MiniTable, upb_MiniTableField
• UPB_PRIVATE() : google_protobuf_DescriptorProto, google_protobuf_DescriptorProto_ExtensionRange, google_protobuf_DescriptorProto_ReservedRange, google_protobuf_EnumDescriptorProto, google_protobuf_EnumDescriptorProto_EnumReservedRange, google_protobuf_EnumOptions, google_protobuf_EnumValueDescriptorProto, google_protobuf_EnumValueOptions, google_protobuf_ExtensionRangeOptions, google_protobuf_ExtensionRangeOptions_Declaration, google_protobuf_FeatureSet, google_protobuf_FeatureSet_VisibilityFeature, google_protobuf_FeatureSetDefaults, google_protobuf_FeatureSetDefaults_FeatureSetEditionDefault, google_protobuf_FieldDescriptorProto, google_protobuf_FieldOptions, google_protobuf_FieldOptions_EditionDefault, google_protobuf_FieldOptions_FeatureSupport, google_protobuf_FileDescriptorProto, google_protobuf_FileDescriptorSet, google_protobuf_FileOptions, google_protobuf_GeneratedCodeInfo, google_protobuf_GeneratedCodeInfo_Annotation, google_protobuf_MessageOptions, google_protobuf_MethodDescriptorProto, google_protobuf_MethodOptions, google_protobuf_OneofDescriptorProto, google_protobuf_OneofOptions, google_protobuf_ServiceDescriptorProto, google_protobuf_ServiceOptions, google_protobuf_SourceCodeInfo, google_protobuf_SourceCodeInfo_Location, google_protobuf_UninterpretedOption, google_protobuf_UninterpretedOption_NamePart, upb_Array, upb_Map, upb_MessageValue, upb_MiniTable, upb_MiniTableEnum, upb_MiniTableExtension, upb_MiniTableField, upb_MiniTableFile, upb_MiniTableSub, upb_MiniTableSubInternal
• Update() : wpi::hal::ControlWord, wpi::log::BooleanArrayLogEntry, wpi::log::BooleanLogEntry, wpi::log::DoubleArrayLogEntry, wpi::log::DoubleLogEntry, wpi::log::FloatArrayLogEntry, wpi::log::FloatLogEntry, wpi::log::IntegerArrayLogEntry, wpi::log::IntegerLogEntry, wpi::log::ProtobufLogEntry< T >, wpi::log::RawLogEntry, wpi::log::StringArrayLogEntry, wpi::log::StringLogEntry, wpi::log::StructArrayLogEntry< T, I >, wpi::log::StructLogEntry< T, I >, wpi::math::DifferentialDriveOdometry3d, wpi::math::DifferentialDriveOdometry, wpi::math::DifferentialDrivePoseEstimator3d, wpi::math::DifferentialDrivePoseEstimator, wpi::math::Odometry3d< WheelPositions, WheelVelocities, WheelAccelerations >, wpi::math::Odometry< WheelPositions, WheelVelocities, WheelAccelerations >, wpi::math::PoseEstimator3d< WheelPositions, WheelVelocities, WheelAccelerations >, wpi::math::PoseEstimator< WheelPositions, WheelVelocities, WheelAccelerations >, wpi::SendableBuilderImpl, wpi::sim::DifferentialDrivetrainSim, wpi::sim::LinearSystemSim< States, Inputs, Outputs >, wpi::util::SendableBuilder, wpi::util::SendableRegistry, wpi::util::SHA1
• update() : basic_json< ObjectType, ArrayType, StringType, BooleanType, NumberIntegerType, NumberUnsignedType, NumberFloatType, AllocatorType, JSONSerializer, BinaryType, CustomBaseClass >
• update_values() : slp::detail::GradientExpressionGraph< Scalar >
• UpdateDutyCycle() : wpi::DigitalOutput
• UpdateEntries() : wpi::MechanismLigament2d, wpi::MechanismObject2d
• updateInt() : wpi::util::PointerIntPairInfo< PointerT, IntBits, PtrTraits >
• updatePointer() : wpi::util::PointerIntPairInfo< PointerT, IntBits, PtrTraits >
• UpdateTime() : wpi::net::uv::Loop
• UpdateValues() : wpi::SmartDashboard
• UpdateWithTime() : wpi::math::DifferentialDrivePoseEstimator3d, wpi::math::DifferentialDrivePoseEstimator, wpi::math::PoseEstimator3d< WheelPositions, WheelVelocities, WheelAccelerations >, wpi::math::PoseEstimator< WheelPositions, WheelVelocities, WheelAccelerations >
• UpdateX() : wpi::sim::ElevatorSim, wpi::sim::LinearSystemSim< States, Inputs, Outputs >, wpi::sim::SingleJointedArmSim
• UpDownCounter() : wpi::UpDownCounter
• upper() : basic_specs
• upper_bound() : wpi::util::StringMap< T, Allocator >
• UrlParser() : wpi::net::UrlParser
• usage() : wpi::util::ArgumentParser
• UsbCamera() : wpi::cs::UsbCamera
• utf8_to_utf16() : detail::utf8_to_utf16