// Copyright (C) 2017 Sebastian Dröge // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. use std::fmt; use DateTime; impl fmt::Display for DateTime { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { f.write_str( self.to_iso8601_string() .unwrap_or_else(|| "None".into()) .as_str(), ) } }