能看更详细的代码\xef\xbc\x9f
\n@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, *)\n@frozen public struct HStack<Content> : View where Content : View {\n\n /// Creates a horizontal stack with the given spacing and vertical alignment.\n ///\n /// - Parameters:\n /// - alignment: The guide for aligning the subviews in this stack. This\n /// guide has the same vertical screen coordinate for every child view.\n /// - spacing: The distance between adjacent subviews, or `nil` if you\n /// want the stack to choose …