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# Changelog
All notable changes to this project will be documented in this file.
This project adheres to [Semantic Versioning](https://semver.org).
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## [Unreleased]
## [0.2.1] - 2021-01-05
- Exclude unneeded files from crates.io.
## [0.2.0] - 2020-11-13
- [`pin_project!` macro now supports enums.][28]
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;
}
}
}
}
```
- [Support naming the projection types.][28]
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;
}
```
[28]: https://github.com/taiki-e/pin-project-lite/pull/28
## [0.1.11] - 2020-10-20
- Suppress `clippy::redundant_pub_crate` lint in generated code.
- Documentation improvements.
## [0.1.10] - 2020-10-01
- 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
- Fix trailing comma support in generics
## [0.1.8] - 2020-09-26
- Fix compatibility of generated code with `forbid(future_incompatible)`
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
- [Support `?Sized` bounds in where clauses.][22]
- [Fix lifetime inference error when an associated type is used in fields.][20]
- Suppress `clippy::used_underscore_binding` lint in generated code.
- Documentation improvements.
[20]: https://github.com/taiki-e/pin-project-lite/pull/20
[22]: https://github.com/taiki-e/pin-project-lite/pull/22
## [0.1.6] - 2020-05-31
- [Support lifetime bounds in where clauses.][18]
- Documentation improvements.
[18]: https://github.com/taiki-e/pin-project-lite/pull/18
## [0.1.5] - 2020-05-07
- [Support overwriting the name of core crate.][14]
[14]: https://github.com/taiki-e/pin-project-lite/pull/14
## [0.1.4] - 2020-01-20
- [Support ?Sized bounds in generic parameters.][9]
[9]: https://github.com/taiki-e/pin-project-lite/pull/9
## [0.1.3] - 2020-01-20
- [Support lifetime bounds in generic parameters.][7]
[7]: https://github.com/taiki-e/pin-project-lite/pull/7
## [0.1.2] - 2020-01-05
- [Support recognizing default generic parameters.][6]
[6]: https://github.com/taiki-e/pin-project-lite/pull/6
## [0.1.1] - 2019-11-15
- [`pin_project!` macro now determines the visibility of the projection type/method is based on the original type.][5]
[5]: https://github.com/taiki-e/pin-project-lite/pull/5
## [0.1.0] - 2019-10-22
Initial release
[Unreleased]: https://github.com/taiki-e/pin-project-lite/compare/v0.2.1...HEAD
[0.2.1]: https://github.com/taiki-e/pin-project-lite/compare/v0.2.0...v0.2.1
[0.2.0]: https://github.com/taiki-e/pin-project-lite/compare/v0.1.11...v0.2.0
[0.1.11]: https://github.com/taiki-e/pin-project-lite/compare/v0.1.10...v0.1.11
[0.1.10]: https://github.com/taiki-e/pin-project-lite/compare/v0.1.9...v0.1.10
[0.1.9]: https://github.com/taiki-e/pin-project-lite/compare/v0.1.8...v0.1.9
[0.1.8]: https://github.com/taiki-e/pin-project-lite/compare/v0.1.7...v0.1.8
[0.1.7]: https://github.com/taiki-e/pin-project-lite/compare/v0.1.6...v0.1.7
[0.1.6]: https://github.com/taiki-e/pin-project-lite/compare/v0.1.5...v0.1.6
[0.1.5]: https://github.com/taiki-e/pin-project-lite/compare/v0.1.4...v0.1.5
[0.1.4]: https://github.com/taiki-e/pin-project-lite/compare/v0.1.3...v0.1.4
[0.1.3]: https://github.com/taiki-e/pin-project-lite/compare/v0.1.2...v0.1.3
[0.1.2]: https://github.com/taiki-e/pin-project-lite/compare/v0.1.1...v0.1.2
[0.1.1]: https://github.com/taiki-e/pin-project-lite/compare/v0.1.0...v0.1.1
[0.1.0]: https://github.com/taiki-e/pin-project-lite/releases/tag/v0.1.0
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