Rollup of 5 pull requests #98236
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Rollup of 5 pull requests #98236
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This saves a lot of time compiling.
This allows implementing traits that require a raw FD on Arc and Box.
Previously, you'd have to add the function to the trait itself:
```rust
trait MyTrait {
fn as_raw_fd(&self) -> RawFd;
}
impl<T: MyTrait> MyTrait for Arc<T> {
fn as_raw_fd(&self) -> RawFd {
(**self).as_raw_fd()
}
}
```
4 commits in 4d92f07f34ba7fb7d7f207564942508f46c225d3..8d42b0e8794ce3787c9f7d6d88b02ae80ebe8d19 2022-06-10 01:11:04 +0000 to 2022-06-17 16:46:26 +0000 - Use specific terminology for sparse HTTP-based registry (rust-lang/cargo#10764) - chore: Upgrade to clap 3.2 (rust-lang/cargo#10753) - Improve testing framework for http registries (rust-lang/cargo#10738) - doc: Improve example of using the links field (rust-lang/cargo#10728)
* no-sequences * no-throw-literal
`impl<T: AsRawFd> AsRawFd for {Arc,Box}<T>`
This allows implementing traits that require a raw FD on Arc and Box.
Previously, you'd have to add the function to the trait itself:
```rust
trait MyTrait {
fn as_raw_fd(&self) -> RawFd;
}
impl<T: MyTrait> MyTrait for Arc<T> {
fn as_raw_fd(&self) -> RawFd {
(**self).as_raw_fd()
}
}
```
In particular, this leads to lots of "multiple applicable items in scope" errors because you have to disambiguate `MyTrait::as_raw_fd` from `AsRawFd::as_raw_fd` at each call site. In generic contexts, when passing the type to a function that takes `impl AsRawFd` it's also sometimes required to use `T: MyTrait + AsRawFd`, which wouldn't be necessary if I could write `MyTrait: AsRawFd`.
After this PR, the code can be simpler:
```rust
trait MyTrait: AsRawFd {}
impl<T: MyTrait> MyTrait for Arc<T> {}
```
…imulacrum Don't build the compiler before building rust-demangler This saves a lot of time compiling, since rust-demangler doesn't actually use any unstable features. This is not quite ideal because it uses ToolStd, not ToolBootstrap, so rust-demangler would be able to add unstable library features in the future. But it's a lot better than before, and `builder.cargo` doesn't currently know how to handle stages other than 0.
… r=m-ou-se once cell renamings This PR does the renamings proposed in rust-lang#74465 (comment) - Move/rename `lazy::{OnceCell, Lazy}` to `cell::{OnceCell, LazyCell}` - Move/rename `lazy::{SyncOnceCell, SyncLazy}` to `sync::{OnceLock, LazyLock}` (I used `Lazy...` instead of `...Lazy` as it seems to be more consistent, easier to pronounce, etc) ``@rustbot`` label +T-libs-api -T-libs
Update cargo 4 commits in 4d92f07f34ba7fb7d7f207564942508f46c225d3..8d42b0e8794ce3787c9f7d6d88b02ae80ebe8d19 2022-06-10 01:11:04 +0000 to 2022-06-17 16:46:26 +0000 - Use specific terminology for sparse HTTP-based registry (rust-lang/cargo#10764) - chore: Upgrade to clap 3.2 (rust-lang/cargo#10753) - Improve testing framework for http registries (rust-lang/cargo#10738) - doc: Improve example of using the links field (rust-lang/cargo#10728)
…an-DPC Add new eslint checks r? ``@Dylan-DPC``
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@bors r+ rollup=never p=5 |
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⌛ Testing commit 7b8ce26 with merge 535546e9ccc184be699e5eec2e1494765814c73a... |
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💔 Test failed - checks-actions |
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Successful merges:
impl<T: AsRawFd> AsRawFd for {Arc,Box}<T>#97437 (impl<T: AsRawFd> AsRawFd for {Arc,Box}<T>)Failed merges:
r? @ghost
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