Don't assume rkyv-(16|32|64) implies the rkyv feature

Author: pitdicker

src/datetime/mod.rs

@@ -31,7 +31,7 @@ use crate::offset::{FixedOffset, Offset, TimeZone, Utc};
 use crate::Date;
 use crate::{Datelike, Months, Timelike, Weekday};
 
-#[cfg(feature = "rkyv")]
+#[cfg(any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"))]
 use rkyv::{Archive, Deserialize, Serialize};
 
 #[cfg(feature = "rustc-serialize")]
@@ -50,8 +50,11 @@ mod tests;
 /// the general-purpose constructors are all via the methods on the
 /// [`TimeZone`](./offset/trait.TimeZone.html) implementations.
 #[derive(Clone)]
-#[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
-#[cfg_attr(feature = "rkyv", archive(compare(PartialEq, PartialOrd)))]
+#[cfg_attr(
+    any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"),
+    derive(Archive, Deserialize, Serialize),
+    archive(compare(PartialEq, PartialOrd))
+)]
 #[cfg_attr(feature = "rkyv-validation", archive(check_bytes))]
 pub struct DateTime<Tz: TimeZone> {
     datetime: NaiveDateTime,

src/duration.rs

@@ -16,7 +16,7 @@ use core::{fmt, i64};
 #[cfg(feature = "std")]
 use std::error::Error;
 
-#[cfg(feature = "rkyv")]
+#[cfg(any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"))]
 use rkyv::{Archive, Deserialize, Serialize};
 
 /// The number of nanoseconds in a microsecond.
@@ -51,9 +51,9 @@ macro_rules! try_opt {
 ///
 /// This also allows for the negative duration; see individual methods for details.
 #[derive(Clone, Copy, Default, PartialEq, Eq, PartialOrd, Ord, Debug, Hash)]
-#[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
 #[cfg_attr(
-    feature = "rkyv",
+    any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"),
+    derive(Archive, Deserialize, Serialize),
     archive(compare(PartialEq, PartialOrd)),
     archive_attr(derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash))
 )]

src/lib.rs

@@ -578,7 +578,7 @@ pub mod serde {
 /// Zero-copy serialization/deserialization with rkyv.
 ///
 /// This module re-exports the `Archived*` versions of chrono's types.
-#[cfg(feature = "rkyv")]
+#[cfg(any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"))]
 pub mod rkyv {
     pub use crate::datetime::ArchivedDateTime;
     pub use crate::duration::ArchivedDuration;

src/month.rs

@@ -1,6 +1,6 @@
 use core::fmt;
 
-#[cfg(feature = "rkyv")]
+#[cfg(any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"))]
 use rkyv::{Archive, Deserialize, Serialize};
 
 use crate::OutOfRange;
@@ -30,9 +30,9 @@ use crate::OutOfRange;
 // Actual implementation is zero-indexed, API intended as 1-indexed for more intuitive behavior.
 #[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",
+    any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"),
+    derive(Archive, Deserialize, Serialize),
     archive(compare(PartialEq, PartialOrd)),
     archive_attr(derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash))
 )]

src/naive/date.rs

@@ -9,7 +9,7 @@ use core::iter::FusedIterator;
 use core::ops::{Add, AddAssign, RangeInclusive, Sub, SubAssign};
 use core::{fmt, str};
 
-#[cfg(feature = "rkyv")]
+#[cfg(any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"))]
 use rkyv::{Archive, Deserialize, Serialize};
 
 /// L10n locales.
@@ -189,9 +189,9 @@ impl Days {
 ///
 /// [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",
+    any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"),
+    derive(Archive, Deserialize, Serialize),
     archive(compare(PartialEq, PartialOrd)),
     archive_attr(derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash))
 )]

src/naive/datetime/mod.rs

@@ -10,7 +10,7 @@ use core::ops::{Add, AddAssign, Sub, SubAssign};
 use core::time::Duration;
 use core::{fmt, str};
 
-#[cfg(feature = "rkyv")]
+#[cfg(any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"))]
 use rkyv::{Archive, Deserialize, Serialize};
 
 use crate::duration::{Duration as OldDuration, NANOS_PER_SEC};
@@ -74,9 +74,9 @@ pub const MAX_DATETIME: NaiveDateTime = NaiveDateTime::MAX;
 /// assert_eq!(dt.num_seconds_from_midnight(), 33011);
 /// ```
 #[derive(PartialEq, Eq, Hash, PartialOrd, Ord, Copy, Clone)]
-#[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
 #[cfg_attr(
-    feature = "rkyv",
+    any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"),
+    derive(Archive, Deserialize, Serialize),
     archive(compare(PartialEq, PartialOrd)),
     archive_attr(derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash))
 )]

src/naive/isoweek.rs

@@ -7,7 +7,7 @@ use core::fmt;
 
 use super::internals::{DateImpl, Of, YearFlags};
 
-#[cfg(feature = "rkyv")]
+#[cfg(any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"))]
 use rkyv::{Archive, Deserialize, Serialize};
 
 /// ISO 8601 week.
@@ -17,9 +17,9 @@ use rkyv::{Archive, Deserialize, Serialize};
 /// One can retrieve this type from the existing [`Datelike`](../trait.Datelike.html) types
 /// 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",
+    any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"),
+    derive(Archive, Deserialize, Serialize),
     archive(compare(PartialEq, PartialOrd)),
     archive_attr(derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash))
 )]

src/naive/time/mod.rs

@@ -9,7 +9,7 @@ use core::ops::{Add, AddAssign, Sub, SubAssign};
 use core::time::Duration;
 use core::{fmt, str};
 
-#[cfg(feature = "rkyv")]
+#[cfg(any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"))]
 use rkyv::{Archive, Deserialize, Serialize};
 
 use crate::duration::Duration as OldDuration;
@@ -203,9 +203,9 @@ mod tests;
 /// Since Chrono alone cannot determine any existence of leap seconds,
 /// **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",
+    any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"),
+    derive(Archive, Deserialize, Serialize),
     archive(compare(PartialEq, PartialOrd)),
     archive_attr(derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash))
 )]

src/offset/fixed.rs

@@ -6,7 +6,7 @@
 use core::fmt;
 use core::str::FromStr;
 
-#[cfg(feature = "rkyv")]
+#[cfg(any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"))]
 use rkyv::{Archive, Deserialize, Serialize};
 
 use super::{LocalResult, Offset, TimeZone};
@@ -20,9 +20,9 @@ use crate::naive::{NaiveDate, NaiveDateTime};
 /// `DateTime<FixedOffset>` instances. See the [`east_opt`](#method.east_opt) and
 /// [`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",
+    any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"),
+    derive(Archive, Deserialize, Serialize),
     archive(compare(PartialEq)),
     archive_attr(derive(Clone, Copy, PartialEq, Eq, Hash, Debug))
 )]

src/offset/local/mod.rs

@@ -3,7 +3,7 @@
 
 //! The local (system) time zone.
 
-#[cfg(feature = "rkyv")]
+#[cfg(any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"))]
 use rkyv::{Archive, Deserialize, Serialize};
 
 use super::fixed::FixedOffset;
@@ -104,8 +104,12 @@ mod tz_info;
 /// assert!(dt1 >= dt2);
 /// ```
 #[derive(Copy, Clone, Debug)]
-#[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
-#[cfg_attr(feature = "rkyv", archive(compare(PartialEq)), archive_attr(derive(Clone, Copy, Debug)))]
+#[cfg_attr(
+    any(feature = "rkyv", feature = "rkyv-16", feature = "rkyv-32", feature = "rkyv-64"),
+    derive(Archive, Deserialize, Serialize),
+    archive(compare(PartialEq)),
+    archive_attr(derive(Clone, Copy, Debug))
+)]
 #[cfg_attr(feature = "rkyv-validation", archive(check_bytes))]
 #[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
 pub struct Local;