public struct TangentVector : Differentiable, AdditiveArithmeticTuyên ngôn
public typealias TangentVector = `Self`Tuyên ngôn
public var value: Wrapped.TangentVector?Tuyên ngôn
public init(_ value: Wrapped.TangentVector?)Tuyên ngôn
public static var zero: `Self` { get }Tuyên ngôn
public static func + (lhs: `Self`, rhs: `Self`) -> Optional<Wrapped>.TangentVectorTuyên ngôn
public static func - (lhs: `Self`, rhs: `Self`) -> Optional<Wrapped>.TangentVectorTuyên ngôn
public mutating mutating func move(along direction: TangentVector)Tuyên ngôn
@noDerivative public var zeroTangentVectorInitializer: () -> TangentVector { get }