feat(core): implement Zeroable for r3_core::time::{Time,Duration}

Author: yvt

src/r3_core/CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Added
 
 - `r3_core::utils::{Zeroable,ZeroableInOption}` (re-exported from `bytemuck ^1`)
+- Implement `Zeroable` on `r3_core::time::{Duration, Time}`
 
 ## [0.1.4] - 2022-11-16
 

src/r3_core/src/time/duration.rs

@@ -1,12 +1,12 @@
 use core::{fmt, ops};
 
-use crate::utils::{Init, ZeroInit};
+use crate::utils::{Init, ZeroInit, Zeroable};
 
 /// Represents a signed time span used by the API surface of R3-OS.
 ///
 /// `Duration` is backed by `i32` and can represent the range
 /// [-35′47.483648″, +35′47.483647″] with microsecond precision.
-#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Zeroable)]
 #[repr(transparent)]
 pub struct Duration {
     micros: i32,

src/r3_core/src/time/time.rs

@@ -2,7 +2,7 @@ use core::{fmt, ops};
 
 use crate::{
     time::Duration,
-    utils::{Init, ZeroInit},
+    utils::{Init, ZeroInit, Zeroable},
 };
 
 /// Represents a timestamp used by the API surface of R3-OS.
@@ -13,7 +13,7 @@ use crate::{
 ///
 /// `Time` is backed by `u64` and can represent up to 213,503,982 days with
 /// microsecond precision.
-#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Zeroable)]
 #[repr(transparent)]
 pub struct Time {
     micros: u64,