This release bring a ca. 20% improvement to the performance of the formatting code, and a convenient days_since method for the Weekday type.
Chrono 0.4.38 also removes the long deprecated rustc-serialize feature. Support for rustc-serialize will be soft-destabilized in the next Rust edition. Removing the feature will not break existing users of the feature; Cargo will just not update dependents that rely on it to newer versions of chrono.
In chrono 0.4.36 we made an accidental breaking change by switching to derive(Copy) for DateTime instead of a manual implementation. It is reverted in this release.
Only package files needed for building and testing (#1554)
Thanks to all contributors on behalf of the chrono team, @djc and @pitdicker!
v0.4.37
Version 0.4.36 introduced an unexpected breaking change and was yanked. In it LocalResult was renamed to MappedLocalTime to avoid the impression that it is a Result type were some of the results are errors. For backwards compatibility a type alias with the old name was added.
As it turns out there is one case where a type alias behaves differently from the regular enum: you can't import enum variants from a type alias with use chrono::LocalResult::*. With 0.4.37 we make the new name MappedLocalTime the alias, but keep using it in function signatures and the documentation as much as possible.
See also the release notes of chrono 0.4.36 from yesterday for the yanked release.
v0.4.36
This release un-deprecates the methods on TimeDelta that were deprecated with the 0.4.35 release because of the churn they are causing for the ecosystem.
New is the DateTime::with_time() method. As an example of when it is useful:
use chrono::{Local, NaiveTime};
// Today at 12:00:00
let today_noon = Local::now().with_time(NaiveTime::from_hms_opt(12, 0, 0).unwrap());
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Bumps chrono from 0.4.31 to 0.4.38.
Release notes
Sourced from chrono's releases.
... (truncated)
Commits
352a352
Prepare 0.4.3846d44d6
Manually implementCopy
forDateTime
if offset isCopy
760eb66
Update windows-bindgen requirement from 0.55 to 0.56391187f
Return error when rounding with zero durationffc75e5
AddTimeDelta::checked_mul
andTimeDelta::checked_div
f8cecbe
MakeWeekday::num_days_from public
, rename todays_since
.0cfc405
Optimize number formatting74ba83b
Takepad
by value78e79db
Match on tuples informat_fixed
f3d76c7
Match on tuples informat_numeric
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