Various cleanup #214
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Various cleanup #214
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May 18, 2020
202: Allow naming the projected types r=taiki-e a=taiki-e
By passing an argument with the same name as the method to the attribute, you can name the projection type returned from the method:
```rust
#[pin_project(
Replace,
project = StructProj,
project_ref = StructProjRef,
project_replace = StructProjOwn,
)]
struct Struct<T> {
#[pin]
field: T,
}
let mut x = Struct { field: 0 };
let StructProj { field } = Pin::new(&mut x).project();
let StructProjRef { field } = Pin::new(&x).project_ref();
let StructProjOwn { field } = Pin::new(&mut x).project_replace(Struct { field: 1 });
```
cc #43
Closes #124
TODO:
* [x] add tests
* [x] write docs
* [x] separate unrelated changes; done in #214
* [x] msrv (`unrestricted_attribute_tokens` requires 1.34); done in #219
Co-authored-by: Taiki Endo <te316e89@gmail.com>
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Separated from #202 as unrelated changes.