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#
0.
1.
24 (April
24th,
2023)
This release of `tracing-attributes` adds support for passing an optional
`level` to the `err` and `ret` arguments to `#[instrument]`, allowing the level
of the generated return-value event to be overridden. For example,
```rust
#[instrument(err(level = "info"))]
fn my_great_function() -> Result<(), &'static str> {
// ...
}
```
will emit an `INFO`-level event if the function returns an `Err`.
In addition, this release updates the [`syn`] dependency to v2.x.x.
### Added
- `level` argument to `err` and `ret` to override the level of the generated
return value event ([#
2335])
- Improved compiler error message when `#[instrument]` is added to a `const fn`
([#
2418])
### Changed
- Updated `syn` dependency to
2.
0 ([#
2516])
### Fixed
- Fix `clippy::unreachable` warnings in `#[instrument]`-generated code ([#
2356])
- Removed unused "visit" feature flag from `syn` dependency ([#
2530])
### Documented
- Documented default level for `err` ([#
2433])
- Improved documentation for levels in `#[instrument]` ([#
2350])
Thanks to @nitnelave, @jsgf, @Abhicodes-crypto, @LukeMathWalker, @andrewpollack,
@quad, @klensy, @davidpdrsn, and @dbidwell94 for contributign to this release!
[`syn`]:
https://crates.io/crates/syn
[#
2335]:
https://github.com/tokio-rs/tracing/pull/2335
[#
2418]:
https://github.com/tokio-rs/tracing/pull/2418
[#
2516]:
https://github.com/tokio-rs/tracing/pull/2516
[#
2356]:
https://github.com/tokio-rs/tracing/pull/2356
[#
2530]:
https://github.com/tokio-rs/tracing/pull/2530
[#
2433]:
https://github.com/tokio-rs/tracing/pull/2433
[#
2350]:
https://github.com/tokio-rs/tracing/pull/2350
#
0.
1.
23 (October
6,
2022)
This release of `tracing-attributes` fixes a bug where compiler diagnostic spans
for type errors in `#[instrument]`ed `async fn`s have the location of the
`#[instrument]` attribute rather than the location of the actual error, and a
bug where inner attributes in `#[instrument]`ed functions would cause a compiler
error.
### Fixed
- Fix incorrect handling of inner attributes in `#[instrument]`ed functions ([#
2307])
- Add fake return to improve spans generated for type errors in `async fn`s ([#
2270])
- Updated `syn` dependency to fix compilation with `-Z minimal-versions`
([#
2246])
Thanks to new contributors @compiler-errors and @e-nomem, as well as @CAD97, for
contributing to this release!
[#
2307]:
https://github.com/tokio-rs/tracing/pull/2307
[#
2270]:
https://github.com/tokio-rs/tracing/pull/2270
[#
2246]:
https://github.com/tokio-rs/tracing/pull/2246
#
0.
1.
22 (July
1,
2022)
This release fixes an issue where using the `err` or `ret` arguments to
`#[instrument]` along with an overridden target, such as
```rust
#[instrument(target = "...", err, ret)]
```
would not propagate the overridden target to the events generated for
errors/return values.
### Fixed
- Error and return value events generated by `#[instrument(err)]` or
`#[instrument(ret)]` not inheriting an overridden target ([#
2184])
- Incorrect default level in documentation ([#
2119])
Thanks to new contributor @tbraun96 for contributing to this release!
[#
2184]:
https://github.com/tokio-rs/tracing/pull/2184
[#
2119]:
https://github.com/tokio-rs/tracing/pull/2119
#
0.
1.
21 (April
26,
2022)
This release adds support for setting explicit parent and follows-from spans
in the `#[instrument]` attribute.
### Added
- `#[instrument(follows_from = ...)]` argument for setting one or more
follows-from span ([#
2093])
- `#[instrument(parent = ...)]` argument for overriding the generated span's
parent ([#
2091])
### Fixed
- Extra braces around `async` blocks in expanded code (causes a Clippy warning)
([#
2090])
- Broken documentation links ([#
2068], [#
2077])
Thanks to @jarrodldavis, @ben0x539, and new contributor @jswrenn for
contributing to this release!
[#
2093]:
https://github.com/tokio-rs/tracing/pull/2093
[#
2091]:
https://github.com/tokio-rs/tracing/pull/2091
[#
2090]:
https://github.com/tokio-rs/tracing/pull/2090
[#
2077]:
https://github.com/tokio-rs/tracing/pull/2077
[#
2068]:
https://github.com/tokio-rs/tracing/pull/2068
#
0.
1.
20 (March
8,
2022)
### Fixed
- Compilation failure with `--minimal-versions` due to a too-permissive `syn`
dependency ([#
1960])
### Changed
- Bumped minimum supported Rust version (MSRV) to
1.
49.
0 ([#
1913])
Thanks to new contributor @udoprog for contributing to this release!
[#
1960]:
https://github.com/tokio-rs/tracing/pull/1960
[#
1913]:
https://github.com/tokio-rs/tracing/pull/1913
#
0.
1.
19 (February
3,
2022)
This release introduces a new `#[instrument(ret)]` argument to emit an event
with the return value of an instrumented function.
### Added
- `#[instrument(ret)]` to record the return value of a function ([#
1716])
- added `err(Debug)` argument to cause `#[instrument(err)]` to record errors
with `Debug` rather than `Display ([#
1631])
### Fixed
- incorrect code generation for functions returning async blocks ([#
1866])
- incorrect diagnostics when using `rust-analyzer` ([#
1634])
Thanks to @Swatinem, @hkmatsumoto, @cynecx, and @ciuncan for contributing to
this release!
[#
1716]:
https://github.com/tokio-rs/tracing/pull/1716
[#
1631]:
https://github.com/tokio-rs/tracing/pull/1631
[#
1634]:
https://github.com/tokio-rs/tracing/pull/1634
[#
1866]:
https://github.com/tokio-rs/tracing/pull/1866
#
0.
1.
18 (October
5,
2021)
This release fixes issues introduced in v0.
1.
17.
### Fixed
- fixed mismatched types compiler error that may occur when using
`#[instrument]` on an `async fn` that returns an `impl Trait` value that
includes a closure ([#
1616])
- fixed false positives for `clippy::suspicious_else_formatting` warnings due to
rust-lang/rust-clippy#
7760 and rust-lang/rust-clippy#
6249 ([#
1617])
- fixed `clippy::let_unit_value` lints when using `#[instrument]` ([#
1614])
[#
1617]:
https://github.com/tokio-rs/tracing/pull/1617
[#
1616]:
https://github.com/tokio-rs/tracing/pull/1616
[#
1614]:
https://github.com/tokio-rs/tracing/pull/1614
#
0.
1.
17 (YANKED) (October
1,
2021)
This release significantly improves performance when `#[instrument]`-generated
spans are below the maximum enabled level.
### Added
- improve performance when skipping `#[instrument]`-generated spans below the
max level ([#
1600], [#
1605])
Thanks to @oli-obk for contributing to this release!
[#
1600]:
https://github.com/tokio-rs/tracing/pull/1600
[#
1605]:
https://github.com/tokio-rs/tracing/pull/1605
#
0.
1.
16 (September
13,
2021)
This release adds a new `#[instrument(skip_all)]` option to skip recording *all*
arguments to an instrumented function as fields. Additionally, it adds support
for recording arguments that are `tracing` primitive types as typed values,
rather than as `fmt::Debug`.
### Added
- add `skip_all` option to `#[instrument]` ([#
1548])
- record primitive types as primitive values rather than as `fmt::Debug`
([#
1378])
- added support for `f64`s as typed values ([#
1522])
Thanks to @Folyd and @jsgf for contributing to this release!
[#
1548]:
https://github.com/tokio-rs/tracing/pull/1548
[#
1378]:
https://github.com/tokio-rs/tracing/pull/1378
[#
1522]:
https://github.com/tokio-rs/tracing/pull/1524
#
0.
1.
15 (March
12,
2021)
### Fixed
- `#[instrument]` on functions returning `Box::pin`ned futures incorrectly
skipping function bodies prior to returning a future ([#
1297])
Thanks to @nightmared for contributing to this release!
[#
1297]:
https://github.com/tokio-rs/tracing/pull/1297
#
0.
1.
14 (March
10,
2021)
### Fixed
- Compatibility between `#[instrument]` and `async-trait` v0.
1.
43 and newer
([#
1228])
Thanks to @nightmared for lots of hard work on this fix!
[#
1228]:
https://github.com/tokio-rs/tracing/pull/1228
#
0.
1.
13 (February
17,
2021)
### Fixed
- Compiler error when using `#[instrument(err)]` on functions which return `impl
Trait` ([#
1236])
[#
1236]:
https://github.com/tokio-rs/tracing/pull/1236
#
0.
1.
12 (February
4,
2021)
### Fixed
- Compiler error when using `#[instrument(err)]` on functions with mutable
parameters ([#
1167])
- Missing function visibility modifier when using `#[instrument]` with
`async-trait` ([#
977])
- Multiple documentation fixes and improvements ([#
965], [#
981], [#
1215])
### Changed
- `tracing-futures` dependency is no longer required when using `#[instrument]`
on async functions ([#
808])
Thanks to @nagisa, @Txuritan, @TaKO8Ki, and @okready for contributing to this
release!
[#
1167]:
https://github.com/tokio-rs/tracing/pull/1167
[#
977]:
https://github.com/tokio-rs/tracing/pull/977
[#
965]:
https://github.com/tokio-rs/tracing/pull/965
[#
981]:
https://github.com/tokio-rs/tracing/pull/981
[#
1215]:
https://github.com/tokio-rs/tracing/pull/1215
[#
808]:
https://github.com/tokio-rs/tracing/pull/808
#
0.
1.
11 (August
18,
2020)
### Fixed
- Corrected wrong minimum supported Rust version note in docs (#
941)
- Removed unused `syn` features (#
928)
Thanks to new contributor @jhpratt for contributing to this release!
#
0.
1.
10 (August
10,
2020)
### Added
- Support for using `self` in field expressions when instrumenting `async-trait`
functions (#
875)
- Several documentation improvements (#
832, #
897, #
911, #
913)
Thanks to @anton-dutov and @nightmared for contributing to this release!
#
0.
1.
9 (July
8,
2020)
### Added
- Support for arbitrary expressions as fields in `#[instrument]` (#
672)
### Changed
- `#[instrument]` now emits a compiler warning when ignoring unrecognized
input (#
672, #
786)
#
0.
1.
8 (May
13,
2020)
### Added
- Support for using `#[instrument]` on methods that are part of [`async-trait`]
trait implementations (#
711)
- Optional `#[instrument(err)]` argument to automatically emit an event if an
instrumented function returns `Err` (#
637)
Thanks to @ilana and @nightmared for contributing to this release!
[`async-trait`]:
https://crates.io/crates/async-trait
#
0.
1.
7 (February
26,
2020)
### Added
- Support for adding arbitrary literal fields to spans generated by
`#[instrument]` (#
569)
- `#[instrument]` now emits a helpful compiler error when attempting to skip a
function parameter (#
600)
Thanks to @Kobzol for contributing to this release!
#
0.
1.
6 (December
20,
2019)
### Added
- Updated documentation (#
468)
#
0.
1.
5 (October
22,
2019)
### Added
- Support for destructuring in arguments to `#[instrument]`ed functions (#
397)
- Generated field for `self` parameters when `#[instrument]`ing methods (#
397)
#
0.
1.
4 (September
26,
2019)
### Added
- Optional `skip` argument to `#[instrument]` for excluding function parameters
from generated spans (#
359)
#
0.
1.
3 (September
12,
2019)
### Fixed
- Fixed `#[instrument]`ed async functions not compiling on `nightly-
2019-
09-
11`
or newer (#
342)
#
0.
1.
2 (August
19,
2019)
### Changed
- Updated `syn` and `quote` dependencies to
1.
0 (#
292)
- Removed direct dependency on `proc-macro2` to avoid potential version
conflicts (#
296)
### Fixed
- Outdated idioms in examples (#
271, #
273)
#
0.
1.
1 (August
9,
2019)
### Changed
- Using the `#[instrument]` attribute on `async fn`s no longer requires a
feature flag (#
258)
### Fixed
- The `#[instrument]` macro now works on generic functions (#
262)
#
0.
1.
0 (August
8,
2019)
- Initial release