// StandardError.swift // tagsnames // // // // import Foundation struct StandardError: TextOutputStream { private static var sharedInstance = StandardError() static var stream : StandardError { get { return sharedInstance } set(instance) { sharedInstance = instance } } mutating func write(_ string: String) { if let data = string.data(using:String.Encoding.utf8) { FileHandle.standardError.write(data) } } }