import Foundation

class FileHandleOutputStream: TextOutputStream {
    let fileHandle: FileHandle

    init(_ fileHandle: FileHandle) {
        self.fileHandle = fileHandle
    }

    func write(_ string: String) {
        print("Creating UTF-8 data for string '\(string)'")
        let data = string.data(using: .utf8)!
        
        print("Writing data for string '\(string)' to file handle")
        self.fileHandle.write(data)
    }
}

var standardOutputStream = FileHandleOutputStream(FileHandle.standardOutput)

print("Hello", to: &standardOutputStream)