这是 Rust 的 时间！

时间相关概念的低开销实现。

时间 是为谁准备的？

对于更重视简单性和低开销而不是精度、安全性和时区支持的应用程序。

许可证

许可协议为以下之一

• Apache 许可协议第 2 版 (LICENSE-APACHE 或 https://apache.ac.cn/licenses/LICENSE-2.0)
• MIT 许可证 (LICENSE-MIT 或 http://opensource.org/licenses/MIT)

任选其一。

贡献

除非你明确声明，否则任何有意提交以包含在作品中的贡献，如 Apache-2.0 许可证中定义的，均应按上述方式双许可，不附加任何额外条款或条件。

lib.rs:

时间相关概念的低开销实现。

操作符支持

// | example                                       | left       | op | right    | result     |
// | ----------------------------------------------| ---------- | ---| -------- | ---------- |
let result: Duration = time - time;             // | Time       | -  | Time     | Duration   |
let result: Time = time + duration;             // | Time       | +  | Duration | Time       |
time += duration;                               // | Time       | += | Duration | Time       |
let result: Time = time - duration;             // | Time       | -  | Duration | Time       |
time -= duration;                               // | Time       | -= | Duration | Time       |
let result: Duration = duration + duration;     // | Duration   | +  | Duration | Duration   |
duration += duration;                           // | Duration   | += | Duration | Duration   |
let result: Duration = duration - duration;     // | Duration   | -  | Duration | Duration   |
duration -= duration;                           // | Duration   | -= | Duration | Duration   |
let result: Duration = duration * 1.0f64;       // | Duration   | *  | f64      | Duration   |
let result: Duration = 2.0f64 * duration;       // | f64        | *  | Duration | Duration   |
duration *= 2.0f64;                             // | Duration   | *= | f64      | Duration   |
let result: Duration = duration / 2.0f64;       // | Duration   | /  | f64      | Duration   |
duration /= 2.0f64;                             // | Duration   | /= | f64      | Duration   |
let result: Duration = duration * 7i64;         // | Duration   | *  | i64      | Duration   |
let result: Duration = 7i64 * duration;         // | i64        | *  | Duration | Duration   |
duration *= 7i64;                               // | Duration   | *= | i64      | Duration   |
let result: Duration = duration / 7i64;         // | Duration   | /  | i64      | Duration   |
duration /= 7i64;                               // | Duration   | /= | i64      | Duration   |
let result: f64 = duration / duration;          // | Duration   | /  | Duration | f64        |