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// Copyright (C) 2020 Tianyi Shi // // This file is part of clock-cli-rs. // // clock-cli-rs is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // clock-cli-rs is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with clock-cli-rs. If not, see <http://www.gnu.org/licenses/>. use chrono::Duration; pub type BoxedError = Box<dyn std::error::Error>; pub trait PrettyDuration { fn pretty(&self) -> String; fn pretty_s(&self) -> String; } impl PrettyDuration for Duration { /// Pretty-prints a chrono::Duration in the form `HH:MM:SS.xxx` fn pretty(&self) -> String { let s = self.num_seconds(); let ms = self.num_milliseconds() - 1000 * s; let (h, s) = (s / 3600, s % 3600); let (m, s) = (s / 60, s % 60); format!("{:02}:{:02}:{:02}.{:03}", h, m, s, ms) } /// Pretty-prints a chrono::Duration in the form `HH:MM:SS.xxx` fn pretty_s(&self) -> String { let mut s = self.num_seconds(); let ms = self.num_milliseconds() - 1000 * s; if ms > 500 { s += 1; } let (h, s) = (s / 3600, s % 3600); let (m, s) = (s / 60, s % 60); format!("{:02}:{:02}:{:02}", h, m, s) } }