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Jacob Pratt
9ebe418dc6
core::sync: rename `Exclusive` to `SyncView` and make improvements This PR implements the renaming of `core::sync::Exclusive` to `SyncView` as decided in rust-lang/rust#98407. To preserve the ability to search for the old name, it adds `Exclusive` as a `doc_alias`. It also makes the following additional changes: - Converting the `get_mut` method to being an instance of `AsMut::as_mut`. In the process, it makes both the new `impl AsMut` and the existing `impl AsRef` `const`, and it also renames `get_pin_mut` to `as_pin_mut` for consistency. This direction follows a suggestion from rust-lang/rust#98407. - Adding an `as_pin` method that can only be used when the wrapped type implements `Sync`, to complete the square of access methods. - Making as many of the existing `impl`s `const` as possible; this involved making the existing `impl Default` no longer derived. - Adding `impl`s for `AsyncFnOnce`, `AsyncFnMut`, and `AsyncFn`, akin to the existing `impls` for `FnOnce`, `FnMut`, and `Fn`. It does not yet do the following, which may be desirable: - Fixing/improving the documentation to address the concern pointed out in rust-lang/rust#146245. It previously did the following, but this was removed after discussion: - Adding an `impl` for (`const`) `Iterator`, which felt in line with the existing `impl`s for `Future` and `Coroutine`.