खाली स्पर्शरेखावेक्टर

public typealias VectorSpaceScalar = Float

public typealias TangentVector = `Self`

public init()

public func adding(_ x: Float) -> EmptyTangentVector

public mutating mutating func add(_ x: Float)

public func subtracting(_ x: Float) -> EmptyTangentVector

public mutating mutating func subtract(_ x: Float)

public func scaled(by scalar: Float) -> EmptyTangentVector

public mutating mutating func scale(by scalar: Float)