Instance Method
appendPathExtension(_:)
iOS 8.0+
iPadOS 8.0+
Mac Catalyst 8.0+
macOS 10.10+
tvOS 9.0+
watchOS 2.0+
Appends the given path extension to self.
mutating func appendPathExtension(_ pathExtension: String)
Parameters
pathExtensionThe extension to append.
Discussion
If the URL has an empty path (e.g., http://www.example.com), then this function will do nothing. Certain special characters (for example, Unicode Right-To-Left marks) cannot be used as path extensions. If any of those are contained in pathExtension, the function will return the URL unchanged.