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# Changelog
All notable changes to this project will be documented in this file.
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## [Unreleased]
## [0.2.9] - 2022-04-26
- Improve compile time of `pin_project!` calls. (#71, thanks @nnethercote)
## [0.2.8] - 2021-12-31
- Fix handling of trailing commas in `PinnedDrop` impl. ([#64](https://github.com/taiki-e/pin-project-lite/pull/64), thanks @Michael-J-Ward)
## [0.2.7] - 2021-06-26
- [Support custom Drop implementation.](https://github.com/taiki-e/pin-project-lite/pull/25) See [#25](https://github.com/taiki-e/pin-project-lite/pull/25) for details.
## [0.2.6] - 2021-03-04
- Support item attributes in any order. ([#57](https://github.com/taiki-e/pin-project-lite/pull/57), thanks @SabrinaJewson)
## [0.2.5] - 2021-03-02
- [Prepare for removal of `safe_packed_borrows` lint.](https://github.com/taiki-e/pin-project-lite/pull/55) See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
## [0.2.4] - 2021-01-11
**Note:** This release has been yanked. See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
- Add `project_replace`. ([#43](https://github.com/taiki-e/pin-project-lite/pull/43), thanks @Marwes)
## [0.2.3] - 2021-01-09
**Note:** This release has been yanked. See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
- [Suppress `clippy::unknown_clippy_lints` lint in generated code.](https://github.com/taiki-e/pin-project-lite/pull/47)
## [0.2.2] - 2021-01-09
**Note:** This release has been yanked.** See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
- [Suppress `clippy::ref_option_ref` lint in generated code.](https://github.com/taiki-e/pin-project-lite/pull/45)
## [0.2.1] - 2021-01-05
**Note:** This release has been yanked. See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
- Exclude unneeded files from crates.io.
## [0.2.0] - 2020-11-13
**Note:** This release has been yanked. See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
To use `pin_project!` on enums, you need to name the projection type returned from the method.
```rust
use pin_project_lite::pin_project;
use std::pin::Pin;
pin_project! {
#[project = EnumProj]
enum Enum<T, U> {
Variant { #[pin] pinned: T, unpinned: U },
}
}
impl<T, U> Enum<T, U> {
fn method(self: Pin<&mut Self>) {
match self.project() {
EnumProj::Variant { pinned, unpinned } => {
let _: Pin<&mut T> = pinned;
let _: &mut U = unpinned;
}
}
}
}
```
By passing an attribute with the same name as the method, you can name the projection type returned from the method:
```rust
use pin_project_lite::pin_project;
use std::pin::Pin;
pin_project! {
#[project = StructProj]
struct Struct<T> {
#[pin]
field: T,
}
}
fn func<T>(x: Pin<&mut Struct<T>>) {
let StructProj { field } = x.project();
let _: Pin<&mut T> = field;
}
```
## [0.1.12] - 2021-03-02
- [Prepare for removal of `safe_packed_borrows` lint.](https://github.com/taiki-e/pin-project-lite/pull/55) See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
## [0.1.11] - 2020-10-20
**Note:** This release has been yanked. See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
- Suppress `clippy::redundant_pub_crate` lint in generated code.
- Documentation improvements.
## [0.1.10] - 2020-10-01
**Note:** This release has been yanked. See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
- Suppress `drop_bounds` lint, which will be added to rustc in the future. See [taiki-e/pin-project#272](https://github.com/taiki-e/pin-project/issues/272) for more details.
## [0.1.9] - 2020-09-29
**Note:** This release has been yanked. See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
## [0.1.8] - 2020-09-26
**Note:** This release has been yanked. See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
- [Fix compatibility of generated code with `forbid(future_incompatible)`.](https://github.com/taiki-e/pin-project-lite/pull/30)
Note: This does not guarantee compatibility with `forbid(future_incompatible)` in the future.
If rustc adds a new lint, we may not be able to keep this.
## [0.1.7] - 2020-06-04
**Note:** This release has been yanked. See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
- [Fix lifetime inference error when an associated type is used in fields.](https://github.com/taiki-e/pin-project-lite/pull/20)
- Suppress `clippy::used_underscore_binding` lint in generated code.
- Documentation improvements.
## [0.1.6] - 2020-05-31
**Note:** This release has been yanked. See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
- Documentation improvements.
## [0.1.5] - 2020-05-07
**Note:** This release has been yanked. See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
- [Support overwriting the name of `core` crate.](https://github.com/taiki-e/pin-project-lite/pull/14)
## [0.1.4] - 2020-01-20
**Note:** This release has been yanked. See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
- [Support ?Sized bounds in generic parameters.](https://github.com/taiki-e/pin-project-lite/pull/9)
## [0.1.3] - 2020-01-20
**Note:** This release has been yanked. See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
- [Support lifetime bounds in generic parameters.](https://github.com/taiki-e/pin-project-lite/pull/7)
## [0.1.2] - 2020-01-05
**Note:** This release has been yanked. See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
- Support recognizing default generic parameters. ([#6](https://github.com/taiki-e/pin-project-lite/pull/6), thanks @kennytm)
## [0.1.1] - 2019-11-15
**Note:** This release has been yanked. See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
- [`pin_project!` macro now determines the visibility of the projection type/method is based on the original type.](https://github.com/taiki-e/pin-project-lite/pull/5)
## [0.1.0] - 2019-10-22
**Note:** This release has been yanked. See [#55](https://github.com/taiki-e/pin-project-lite/pull/55) for details.
Initial release