duplicate derives on ArchivedT types (for rkyv feature)

src/duration.rs

@@ -52,6 +52,10 @@
 /// This also allows for the negative duration; see individual methods for details.
 #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash)]
 #[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
+#[cfg_attr(
+    feature = "rkyv",
+    archive_attr(derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash))
+)]
 pub struct Duration {
     secs: i64,
     nanos: i32, // Always 0 <= nanos < NANOS_PER_SEC

src/month.rs

@@ -31,6 +31,10 @@
 #[derive(PartialEq, Eq, Copy, Clone, Debug, Hash, PartialOrd, Ord)]
 #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
 #[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
+#[cfg_attr(
+    feature = "rkyv",
+    archive_attr(derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash))
+)]
 #[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
 pub enum Month {
     /// January

src/naive/date.rs

@@ -192,6 +192,10 @@
 /// [proleptic Gregorian date]: crate::NaiveDate#calendar-date
 #[derive(PartialEq, Eq, Hash, PartialOrd, Ord, Copy, Clone)]
 #[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
+#[cfg_attr(
+    feature = "rkyv",
+    archive_attr(derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash))
+)]
 pub struct NaiveDate {
     ymdf: DateImpl, // (year << 13) | of
 }

src/naive/datetime/mod.rs

@@ -74,6 +74,10 @@
 /// ```
 #[derive(PartialEq, Eq, Hash, PartialOrd, Ord, Copy, Clone)]
 #[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
+#[cfg_attr(
+    feature = "rkyv",
+    archive_attr(derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash))
+)]
 #[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
 pub struct NaiveDateTime {
     date: NaiveDate,

src/naive/isoweek.rs

@@ -18,6 +18,10 @@
 /// via the [`Datelike::iso_week`](../trait.Datelike.html#tymethod.iso_week) method.
 #[derive(PartialEq, Eq, PartialOrd, Ord, Copy, Clone, Hash)]
 #[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
+#[cfg_attr(
+    feature = "rkyv",
+    archive_attr(derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash))
+)]
 pub struct IsoWeek {
     // note that this allows for larger year range than `NaiveDate`.
     // this is crucial because we have an edge case for the first and last week supported,

src/naive/time/mod.rs

@@ -193,6 +193,10 @@ mod tests;
 /// **there is absolutely no guarantee that the leap second read has actually happened**.
 #[derive(PartialEq, Eq, Hash, PartialOrd, Ord, Copy, Clone)]
 #[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
+#[cfg_attr(
+    feature = "rkyv",
+    archive_attr(derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash))
+)]
 pub struct NaiveTime {
     secs: u32,
     frac: u32,

src/offset/fixed.rs

@@ -24,6 +24,7 @@
 /// [`west_opt`](#method.west_opt) methods for examples.
 #[derive(PartialEq, Eq, Hash, Copy, Clone)]
 #[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
+#[cfg_attr(feature = "rkyv", archive_attr(derive(Clone, Copy, PartialEq, Eq, Hash, Debug)))]
 pub struct FixedOffset {
     local_minus_utc: i32,
 }

src/offset/local/mod.rs

@@ -105,6 +105,7 @@
 /// ```
 #[derive(Copy, Clone, Debug)]
 #[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
+#[cfg_attr(feature = "rkyv", archive_attr(derive(Clone, Copy, Debug)))]
 #[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
 pub struct Local;
 

src/offset/utc.rs

@@ -42,6 +42,7 @@
 /// ```
 #[derive(Copy, Clone, PartialEq, Eq, Hash)]
 #[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
+#[cfg_attr(feature = "rkyv", archive_attr(derive(Clone, Copy, PartialEq, Eq, Debug, Hash)))]
 #[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
 pub struct Utc;
 

src/weekday.rs

@@ -32,6 +32,7 @@
 #[derive(PartialEq, Eq, Copy, Clone, Debug, Hash)]
 #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
 #[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
+#[cfg_attr(feature = "rkyv", archive_attr(derive(Clone, Copy, PartialEq, Eq, Debug, Hash)))]
 #[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
 pub enum Weekday {
     /// Monday.