542 lines
16 KiB
Markdown
542 lines
16 KiB
Markdown
# 0.1.32 (October 13, 2023)
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### Documented
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- Fix typo in `field` docs ([#2611])
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- Remove duplicate wording ([#2674])
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### Changed
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- Allow `ValueSet`s of any length ([#2508])
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[#2611]: https://github.com/tokio-rs/tracing/pull/2611
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[#2674]: https://github.com/tokio-rs/tracing/pull/2674
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[#2508]: https://github.com/tokio-rs/tracing/pull/2508
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# 0.1.31 (May 11, 2023)
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This release of `tracing-core` fixes a bug that caused threads which call
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`dispatcher::get_default` _before_ a global default subscriber is set to never
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see the global default once it is set. In addition, it includes improvements for
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instrumentation performance in some cases, especially when using a global
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default dispatcher.
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### Fixed
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- Fixed incorrect thread-local caching of `Dispatch::none` if
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`dispatcher::get_default` is called before `dispatcher::set_global_default`
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([#2593])
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### Changed
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- Cloning a `Dispatch` that points at a global default subscriber no longer
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requires an `Arc` reference count increment, improving performance
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substantially ([#2593])
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- `dispatcher::get_default` no longer attempts to access a thread local if the
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scoped dispatcher is not in use, improving performance when the default
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dispatcher is global ([#2593])
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- Added `#[inline]` annotations called by the `event!` and `span!` macros to
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reduce the size of macro-generated code and improve recording performance
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([#2555])
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Thanks to new contributor @ldm0 for contributing to this release!
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[#2593]: https://github.com/tokio-rs/tracing/pull/2593
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[#2555]: https://github.com/tokio-rs/tracing/pull/2555
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# 0.1.30 (October 6, 2022)
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This release of `tracing-core` adds a new `on_register_dispatch` method to the
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`Subscriber` trait to allow the `Subscriber` to perform initialization after
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being registered as a `Dispatch`, and a `WeakDispatch` type to allow a
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`Subscriber` to store its own `Dispatch` without creating reference count
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cycles.
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### Added
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- `Subscriber::on_register_dispatch` method ([#2269])
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- `WeakDispatch` type and `Dispatch::downgrade()` function ([#2293])
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Thanks to @jswrenn for contributing to this release!
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[#2269]: https://github.com/tokio-rs/tracing/pull/2269
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[#2293]: https://github.com/tokio-rs/tracing/pull/2293
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# 0.1.29 (July 29, 2022)
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This release of `tracing-core` adds `PartialEq` and `Eq` implementations for
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metadata types, and improves error messages when setting the global default
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subscriber fails.
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### Added
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- `PartialEq` and `Eq` implementations for `Metadata` ([#2229])
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- `PartialEq` and `Eq` implementations for `FieldSet` ([#2229])
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### Fixed
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- Fixed unhelpful `fmt::Debug` output for `dispatcher::SetGlobalDefaultError`
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([#2250])
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- Fixed compilation with `-Z minimal-versions` ([#2246])
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Thanks to @jswrenn and @CAD97 for contributing to this release!
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[#2229]: https://github.com/tokio-rs/tracing/pull/2229
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[#2246]: https://github.com/tokio-rs/tracing/pull/2246
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[#2250]: https://github.com/tokio-rs/tracing/pull/2250
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# 0.1.28 (June 23, 2022)
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This release of `tracing-core` adds new `Value` implementations, including one
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for `String`, to allow recording `&String` as a value without having to call
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`as_str()` or similar, and for 128-bit integers (`i128` and `u128`). In
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addition, it adds new methods and trait implementations for `Subscriber`s.
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### Added
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- `Value` implementation for `String` ([#2164])
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- `Value` implementation for `u128` and `i28` ([#2166])
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- `downcast_ref` and `is` methods for `dyn Subscriber + Sync`,
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`dyn Subscriber + Send`, and `dyn Subscriber + Send + Sync` ([#2160])
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- `Subscriber::event_enabled` method to enable filtering based on `Event` field
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values ([#2008])
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- `Subscriber` implementation for `Box<S: Subscriber + ?Sized>` and
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`Arc<S: Subscriber + ?Sized>` ([#2161])
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Thanks to @jswrenn and @CAD97 for contributing to this release!
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[#2164]: https://github.com/tokio-rs/tracing/pull/2164
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[#2166]: https://github.com/tokio-rs/tracing/pull/2166
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[#2160]: https://github.com/tokio-rs/tracing/pull/2160
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[#2008]: https://github.com/tokio-rs/tracing/pull/2008
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[#2161]: https://github.com/tokio-rs/tracing/pull/2161
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# 0.1.27 (June 7, 2022)
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This release of `tracing-core` introduces a new `DefaultCallsite` type, which
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can be used by instrumentation crates rather than implementing their own
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callsite types. Using `DefaultCallsite` may offer reduced overhead from callsite
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registration.
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### Added
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- `DefaultCallsite`, a pre-written `Callsite` implementation for use in
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instrumentation crates ([#2083])
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- `ValueSet::len` and `Record::len` methods returning the number of fields in a
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`ValueSet` or `Record` ([#2152])
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### Changed
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- Replaced `lazy_static` dependency with `once_cell` ([#2147])
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### Documented
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- Added documentation to the `callsite` module ([#2088], [#2149])
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Thanks to new contributors @jamesmunns and @james7132 for contributing to this
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release!
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[#2083]: https://github.com/tokio-rs/tracing/pull/2083
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[#2152]: https://github.com/tokio-rs/tracing/pull/2152
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[#2147]: https://github.com/tokio-rs/tracing/pull/2147
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[#2088]: https://github.com/tokio-rs/tracing/pull/2088
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[#2149]: https://github.com/tokio-rs/tracing/pull/2149
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# 0.1.26 (April 14, 2022)
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This release adds a `Value` implementation for `Box<T: Value>` to allow
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recording boxed values more conveniently. In particular, this should improve
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the ergonomics of the implementations for `dyn std::error::Error` trait objects,
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including those added in [v0.1.25].
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### Added
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- `Value` implementation for `Box<T> where T: Value` ([#2071])
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### Fixed
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- Broken documentation links ([#2068])
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Thanks to new contributor @ben0x539 for contributing to this release!
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[v0.1.25]: https://github.com/tokio-rs/tracing/releases/tag/tracing-core-0.1.25
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[#2071]: https://github.com/tokio-rs/tracing/pull/2071
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[#2068]: https://github.com/tokio-rs/tracing/pull/2068
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# 0.1.25 (April 12, 2022)
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This release adds additional `Value` implementations for `std::error::Error`
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trait objects with auto trait bounds (`Send` and `Sync`), as Rust will not
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auto-coerce trait objects. Additionally, it fixes a bug when setting scoped
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dispatchers that was introduced in the previous release ([v0.1.24]).
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### Added
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- `Value` implementations for `dyn Error + Send + 'static`, `dyn Error + Send +
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Sync + 'static`, `dyn Error + Sync + 'static` ([#2066])
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### Fixed
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- Failure to use the global default dispatcher if a thread has set a scoped
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default prior to setting the global default, and unset the scoped default
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after setting the global default ([#2065])
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Thanks to @lilyball for contributing to this release!
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[v0.1.24]: https://github.com/tokio-rs/tracing/releases/tag/tracing-core-0.1.24
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[#2066]: https://github.com/tokio-rs/tracing/pull/2066
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[#2065]: https://github.com/tokio-rs/tracing/pull/2065
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# 0.1.24 (April 1, 2022)
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This release fixes a bug where setting `NoSubscriber` as the local default would
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not disable the global default subscriber locally.
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### Fixed
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- Setting `NoSubscriber` as the local default now correctly disables the global
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default subscriber ([#2001])
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- Fixed compilation warnings with the "std" feature disabled ([#2022])
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### Changed
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- Removed unnecessary use of `write!` and `format_args!` macros ([#1988])
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[#1988]: https://github.com/tokio-rs/tracing/pull/1988
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[#2001]: https://github.com/tokio-rs/tracing/pull/2001
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[#2022]: https://github.com/tokio-rs/tracing/pull/2022
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# 0.1.23 (March 8, 2022)
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### Changed
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- Removed `#[inline]` attributes from some `Dispatch` methods whose
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callers are now inlined ([#1974])
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- Bumped minimum supported Rust version (MSRV) to Rust 1.49.0 ([#1913])
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[#1913]: https://github.com/tokio-rs/tracing/pull/1913
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[#1974]: https://github.com/tokio-rs/tracing/pull/1974
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# 0.1.22 (February 3, 2022)
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This release adds *experimental* support for recording structured field values
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using the [`valuable`] crate. See [this blog post][post] for details on
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`valuable`.
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Note that `valuable` support currently requires `--cfg tracing_unstable`. See
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the documentation for details.
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### Added
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- **field**: Experimental support for recording field values using the
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[`valuable`] crate ([#1608], [#1888], [#1887])
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- **field**: Added `ValueSet::record` method ([#1823])
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- **subscriber**: `Default` impl for `NoSubscriber` ([#1785])
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- **metadata**: New `Kind::HINT` to support the `enabled!` macro in `tracing`
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([#1883], [#1891])
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### Fixed
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- Fixed a number of documentation issues ([#1665], [#1692], [#1737])
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Thanks to @xd009642, @Skepfyr, @guswynn, @Folyd, and @mbergkvist for
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contributing to this release!
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[`valuable`]: https://crates.io/crates/valuable
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[post]: https://tokio.rs/blog/2021-05-valuable
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[#1608]: https://github.com/tokio-rs/tracing/pull/1608
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[#1888]: https://github.com/tokio-rs/tracing/pull/1888
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[#1887]: https://github.com/tokio-rs/tracing/pull/1887
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[#1823]: https://github.com/tokio-rs/tracing/pull/1823
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[#1785]: https://github.com/tokio-rs/tracing/pull/1785
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[#1883]: https://github.com/tokio-rs/tracing/pull/1883
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[#1891]: https://github.com/tokio-rs/tracing/pull/1891
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[#1665]: https://github.com/tokio-rs/tracing/pull/1665
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[#1692]: https://github.com/tokio-rs/tracing/pull/1692
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[#1737]: https://github.com/tokio-rs/tracing/pull/1737
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# 0.1.21 (October 1, 2021)
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This release adds support for recording `Option<T> where T: Value` as typed
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`tracing` field values.
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### Added
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- **field**: `Value` impl for `Option<T> where T: Value` ([#1585])
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### Fixed
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- Fixed deprecation warnings when building with `default-features` disabled
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([#1603], [#1606])
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- Documentation fixes and improvements ([#1595], [#1601])
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Thanks to @brianburgers, @DCjanus, and @matklad for contributing to this
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release!
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[#1585]: https://github.com/tokio-rs/tracing/pull/1585
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[#1595]: https://github.com/tokio-rs/tracing/pull/1595
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[#1601]: https://github.com/tokio-rs/tracing/pull/1601
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[#1603]: https://github.com/tokio-rs/tracing/pull/1603
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[#1606]: https://github.com/tokio-rs/tracing/pull/1606
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# 0.1.20 (September 12, 2021)
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This release adds support for `f64` as one of the `tracing-core`
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primitive field values, allowing floating-point values to be recorded as
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typed values rather than with `fmt::Debug`. Additionally, it adds
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`NoSubscriber`, a `Subscriber` implementation that does nothing.
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### Added
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- **subscriber**: `NoSubscriber`, a no-op `Subscriber` implementation
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([#1549])
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- **field**: Added `Visit::record_f64` and support for recording
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floating-point values ([#1507])
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Thanks to new contributors @jsgf and @maxburke for contributing to this
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release!
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[#1549]: https://github.com/tokio-rs/tracing/pull/1549
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[#1507]: https://github.com/tokio-rs/tracing/pull/1507
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# 0.1.19 (August 17, 2021)
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### Added
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- `Level::as_str` ([#1413])
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- `Hash` implementation for `Level` and `LevelFilter` ([#1456])
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- `Value` implementation for `&mut T where T: Value` ([#1385])
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- Multiple documentation fixes and improvements ([#1435], [#1446])
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Thanks to @Folyd, @teozkr, and @dvdplm for contributing to this release!
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[#1413]: https://github.com/tokio-rs/tracing/pull/1413
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[#1456]: https://github.com/tokio-rs/tracing/pull/1456
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[#1385]: https://github.com/tokio-rs/tracing/pull/1385
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[#1435]: https://github.com/tokio-rs/tracing/pull/1435
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[#1446]: https://github.com/tokio-rs/tracing/pull/1446
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# 0.1.18 (April 30, 2021)
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### Added
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- `Subscriber` impl for `Box<dyn Subscriber + Send + Sync + 'static>` ([#1358])
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- `Subscriber` impl for `Arc<dyn Subscriber + Send + Sync + 'static>` ([#1374])
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- Symmetric `From` impls for existing `Into` impls on `Current` and `Option<Id>`
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([#1335])
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- `Attributes::fields` accessor that returns the set of fields defined on a
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span's `Attributes` ([#1331])
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Thanks to @Folyd for contributing to this release!
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[#1358]: https://github.com/tokio-rs/tracing/pull/1358
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[#1374]: https://github.com/tokio-rs/tracing/pull/1374
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[#1335]: https://github.com/tokio-rs/tracing/pull/1335
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[#1331]: https://github.com/tokio-rs/tracing/pull/1331
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# 0.1.17 (September 28, 2020)
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### Fixed
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- Incorrect inlining of `Event::dispatch` and `Event::child_of`, which could
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result in `dispatcher::get_default` being inlined at the callsite ([#994])
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### Added
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- `Copy` implementations for `Level` and `LevelFilter` ([#992])
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Thanks to new contributors @jyn514 and @TaKO8Ki for contributing to this
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release!
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[#994]: https://github.com/tokio-rs/tracing/pull/994
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[#992]: https://github.com/tokio-rs/tracing/pull/992
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# 0.1.16 (September 8, 2020)
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### Fixed
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- Added a conversion from `Option<Level>` to `LevelFilter`. This resolves a
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previously unreported regression where `Option<Level>` was no longer
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a valid LevelFilter. ([#966](https://github.com/tokio-rs/tracing/pull/966))
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# 0.1.15 (August 22, 2020)
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### Fixed
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- When combining `Interest` from multiple subscribers, if the interests differ,
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the current subscriber is now always asked if a callsite should be enabled
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(#927)
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## Added
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- Internal API changes to support optimizations in the `tracing` crate (#943)
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- **docs**: Multiple fixes and improvements (#913, #941)
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# 0.1.14 (August 10, 2020)
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### Fixed
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- Incorrect calculation of global max level filter which could result in fast
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filtering paths not being taken (#908)
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# 0.1.13 (August 4, 2020)
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### Fixed
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- Missing `fmt::Display` impl for `field::DisplayValue` causing a compilation
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failure when the "log" feature is enabled (#887)
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Thanks to @d-e-s-o for contributing to this release!
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# 0.1.12 (July 31, 2020)
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### Added
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- `LevelFilter` type and `LevelFilter::current()` for returning the highest level
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that any subscriber will enable (#853)
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- `Subscriber::max_level_hint` optional trait method, for setting the value
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returned by `LevelFilter::current()` (#853)
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### Fixed
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- **docs**: Removed outdated reference to a Tokio API that no longer exists
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(#857)
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Thanks to new contributor @dignati for contributing to this release!
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# 0.1.11 (June 8, 2020)
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### Changed
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- Replaced use of `inner_local_macros` with `$crate::` (#729)
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### Added
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- `must_use` warning to guards returned by `dispatcher::set_default` (#686)
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- `fmt::Debug` impl to `dyn Value`s (#696)
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- Functions to convert between `span::Id` and `NonZeroU64` (#770)
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- More obvious warnings in documentation (#769)
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### Fixed
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- Compiler error when `tracing-core/std` feature is enabled but `tracing/std` is
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not (#760)
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- Clippy warning on vtable address comparison in `callsite::Identifier` (#749)
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- Documentation formatting issues (#715, #771)
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Thanks to @bkchr, @majecty, @taiki-e, @nagisa, and @nvzqz for contributing to
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this release!
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# 0.1.10 (January 24, 2020)
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### Added
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- `field::Empty` type for declaring empty fields whose values will be recorded
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later (#548)
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- `field::Value` implementations for `Wrapping` and `NonZero*` numbers (#538)
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### Fixed
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- Broken and unresolvable links in RustDoc (#595)
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Thanks to @oli-cosmian for contributing to this release!
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# 0.1.9 (January 10, 2020)
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### Added
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- API docs now show what feature flags are required to enable each item (#523)
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### Fixed
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- A panic when the current default subscriber subscriber calls
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`dispatcher::with_default` as it is being dropped (#522)
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- Incorrect documentation for `Subscriber::drop_span` (#524)
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# 0.1.8 (December 20, 2019)
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### Added
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- `Default` impl for `Dispatch` (#411)
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### Fixed
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- Removed duplicate `lazy_static` dependencies (#424)
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- Fixed no-std dependencies being enabled even when `std` feature flag is set
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(#424)
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- Broken link to `Metadata` in `Event` docs (#461)
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# 0.1.7 (October 18, 2019)
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### Added
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- Added `dispatcher::set_default` API which returns a drop guard (#388)
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### Fixed
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- Added missing `Value` impl for `u8` (#392)
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- Broken links in docs.
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# 0.1.6 (September 12, 2019)
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### Added
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- Internal APIs to support performance optimizations (#326)
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### Fixed
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- Clarified wording in `field::display` documentation (#340)
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# 0.1.5 (August 16, 2019)
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### Added
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- `std::error::Error` as a new primitive `Value` type (#277)
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- `Event::new` and `Event::new_child_of` to manually construct `Event`s (#281)
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# 0.1.4 (August 9, 2019)
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### Added
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- Support for `no-std` + `liballoc` (#256)
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### Fixed
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- Broken links in RustDoc (#259)
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# 0.1.3 (August 8, 2019)
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### Added
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- `std::fmt::Display` implementation for `Level` (#194)
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- `std::str::FromStr` implementation for `Level` (#195)
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# 0.1.2 (July 10, 2019)
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### Deprecated
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- `Subscriber::drop_span` in favor of new `Subscriber::try_close` (#168)
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### Added
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- `Into<Option<&Id>>`, `Into<Option<Id>>`, and
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`Into<Option<&'static Metadata<'static>>>` impls for `span::Current` (#170)
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- `Subscriber::try_close` method (#153)
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- Improved documentation for `dispatcher` (#171)
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# 0.1.1 (July 6, 2019)
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### Added
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- `Subscriber::current_span` API to return the current span (#148).
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- `span::Current` type, representing the `Subscriber`'s view of the current
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span (#148).
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### Fixed
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- Typos and broken links in documentation (#123, #124, #128, #154)
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# 0.1.0 (June 27, 2019)
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- Initial release
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