import Foundation struct QLog { private init() {} static func m(_ message: String) { write("", message) } static func Info(_ message: String) { write("[INFO] ", message) } #if DEBUG static func Debug(_ message: String) { write("[DEBUG] ", message) } #else static func Debug(_ _: String) {} #endif static func Error(_ message: String) { write("[ERROR] ", message) } static func Warning(_ message: String) { write("[WARN] ", message) } private static func write(_ tag: String, _ message: String) { print(String(format: "%1.3f %@%@", Date().timeIntervalSince1970, tag, message)) } }