163 lines
4.8 KiB
Markdown
163 lines
4.8 KiB
Markdown
ChangeLog for Chrono
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====================
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This documents all notable changes to [Chrono](https://github.com/lifthrasiir/rust-chrono).
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Chrono obeys the principle of [Semantic Versioning](http://semver.org/).
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There were/are numerous minor versions before 1.0 due to the language changes.
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Versions with only mechnical changes will be omitted from the following list.
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## 0.2.3 (2015-02-27)
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### Added
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- `DateTime<Tz>` and `Date<Tz>` is now `Copy`/`Send` when `Tz::Offset` is `Copy`/`Send`.
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The implementations for them were mistakenly omitted. (#25)
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### Fixed
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- `Local::from_utc_datetime` didn't set a correct offset. (#26)
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## 0.2.1 (2015-02-21)
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### Changed
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- `DelayedFormat` no longer conveys a redundant lifetime.
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## 0.2.0 (2015-02-19)
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### Added
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- `Offset` is splitted into `TimeZone` (constructor) and `Offset` (storage) types.
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You would normally see only the former, as the latter is mostly an implementation detail.
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Most importantly, `Local` now can be used to directly construct timezone-aware values.
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Some types (currently, `UTC` and `FixedOffset`) are both `TimeZone` and `Offset`,
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but others aren't (e.g. `Local` is not what is being stored to each `DateTime` values).
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- `LocalResult::map` convenience method has been added.
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- `TimeZone` now allows a construction of `DateTime` values from UNIX timestamp,
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via `timestamp` and `timestamp_opt` methods.
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- `TimeZone` now also has a method for parsing `DateTime`, namely `datetime_from_str`.
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- The following methods have been added to all date and time types:
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- `checked_add`
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- `checked_sub`
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- `format_with_items`
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- The following methods have been added to all timezone-aware types:
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- `timezone`
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- `with_timezone`
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- `naive_utc`
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- `naive_local`
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- `parse_from_str` method has been added to all naive types and `DateTime<FixedOffset>`.
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- All naive types and instances of `DateTime` with time zones `UTC`, `Local` and `FixedOffset`
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implement the `FromStr` trait. They parse what `std::fmt::Debug` would print.
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- `chrono::format` has been greatly rewritten.
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- The formatting syntax parser is modular now, available at `chrono::format::strftime`.
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- The parser and resolution algorithm is also modular, the former is available at
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`chrono::format::parse` while the latter is available at `chrono::format::parsed`.
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- Explicit support for RFC 2822 and 3339 syntaxes is landed.
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- There is a minor formatting difference with atypical values,
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e.g. for years not between 1 BCE and 9999 CE.
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### Changed
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- Most uses of `Offset` are converted to `TimeZone`.
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In fact, *all* user-facing code is expected to be `Offset`-free.
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- `[Naive]DateTime::*num_seconds_from_unix_epoch*` methods have been renamed to
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simply `timestamp` or `from_timestamp*`. The original names have been deprecated.
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### Removed
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- `Time` has been removed. This also prompts a related set of methods in `TimeZone`.
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This is in principle possible, but in practice has seen a little use
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because it can only be meaningfully constructed via an existing `DateTime` value.
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This made many operations to `Time` unintuitive or ambiguous,
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so we simply let it go.
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In the case that `Time` is really required, one can use a simpler `NaiveTime`.
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`NaiveTime` and `NaiveDate` can be freely combined and splitted,
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and `TimeZone::from_{local,utc}_datetime` can be used to convert from/to the local time.
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- `with_offset` method has been removed. Use `with_timezone` method instead.
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(This is not deprecated since it is an integral part of offset reform.)
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## 0.1.14 (2015-01-10)
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### Added
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- Added a missing `std::fmt::String` impl for `Local`.
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## 0.1.13 (2015-01-10)
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### Changed
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- Most types now implement both `std::fmt::Show` and `std::fmt::String`,
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with the former used for the stricter output and the latter used for more casual output.
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### Removed
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- `Offset::name` has been replaced by a `std::fmt::String` implementation to `Offset`.
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## 0.1.12 (2015-01-08)
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### Removed
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- `Duration + T` no longer works due to the updated impl reachability rules.
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Use `T + Duration` as a workaround.
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## 0.1.4 (2014-12-13)
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### Fixed
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- Fixed a bug that `Date::and_*` methods with an offset that can change the date are
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off by one day.
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## 0.1.3 (2014-11-28)
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### Added
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- `{Date,Time,DateTime}::with_offset` methods have been added.
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- `LocalResult` now implements a common set of traits.
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- `LocalResult::and_*` methods have been added.
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They are useful for safely chaining `LocalResult<Date<Off>>` methods
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to make `LocalResult<DateTime<Off>>`.
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### Changed
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- `Offset::name` now returns `SendStr`.
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- `{Date,Time} - Duration` overloadings are now allowed.
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## 0.1.2 (2014-11-24)
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### Added
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- `Duration + Date` overloading is now allowed.
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### Changed
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- Chrono no longer needs `num` dependency.
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## 0.1.0 (2014-11-20)
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The initial version that was available to `crates.io`.
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