withUnsafeFileSystemRepresentation(_:)
Passes the URL’s path in the file system representation to a closure.
Declaration
func withUnsafeFileSystemRepresentation<ResultType>(_ block: (UnsafePointer<Int8>?) throws -> ResultType) rethrows -> ResultTypeParameters
- block:
A closure to execute, which receives a C string as its parameter, and returns a value of a type you choose.
The parameter passed to the closure is
nilif the URL cannot be represented by the file system. For example, if the URL contains an accented character and the file system only supports ASCII, no file system representation is possible.
Return Value
The value returned by your closure, if any.
Discussion
The file system representation is a null-terminated C string with canonical UTF-8 encoding.