Rollup of 7 pull requests #95653
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Rollup of 7 pull requests #95653
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stabilize windows_process_extensions_raw_arg Stabilizes the feature tracked at rust-lang#92939
…bini,m-ou-se Release notes for 1.60.0
Reduce unnecessary escaping in proc_macro::Literal::character/string I noticed that https://doc.rust-lang.org/proc_macro/struct.Literal.html#method.character is producing unreadable literals that make macro-expanded code unnecessarily hard to read. Since the proc macro server was using `escape_unicode()`, every char is escaped using `\u{…}` regardless of whether there is any need to do so. For example `Literal::character('=')` would previously produce `'\u{3d}'` which unnecessarily obscures the meaning when reading the macro-expanded code. I've changed Literal::string also in this PR because `str`'s `Debug` impl is also smarter than just calling `escape_debug` on every char. For example `Literal::string("ferris's")` would previously produce `"ferris\'s"` but will now produce `"ferris's"`.
…cottmcm Stabilize total_cmp Stabilises `total_cmp` for Rust 1.61.0. Tracking issue: rust-lang#72599
…plett Add SyncUnsafeCell. This adds `SyncUnsafeCell`, which is just `UnsafeCell` except it implements `Sync`. This was first proposed under the name `RacyUnsafeCell` here: rust-lang#53639 (comment) and here: rust-lang#53639 (comment) and here: rust-lang#53639 (comment) It allows you to create an UnsafeCell that is Sync without having to wrap it in a struct first (and then implement Sync for that struct). E.g. `static X: SyncUnsafeCell<i32>`. Using a regular `UnsafeCell` as `static` is not possible, because it isn't `Sync`. We have a language workaround for it called `static mut`, but it's nice to be able to use the proper type for such unsafety instead. It also makes implementing synchronization primitives based on unsafe cells slightly less verbose, because by using `SyncUnsafeCell` for `UnsafeCell`s that are shared between threads, you don't need a separate `impl<..> Sync for ..`. Using this type also clearly documents that the cell is expected to be accessed from multiple threads.
…triplett Windows: Synchronize asynchronous pipe reads and writes On Windows, the pipes used for spawned processes are opened for asynchronous access but `read` and `write` are done using the standard methods that assume synchronous access. This means that the buffer (and variables on the stack) may be read/written to after the function returns. This PR ensures reads/writes complete before returning. Note that this only applies to pipes we create and does not affect the standard file read/write methods. Fixes rust-lang#95411
…yn, r=nagisa Suggest borrowing when trying to coerce unsized type into `dyn Trait` A helpful error in response to rust-lang#95598, since we can't coerce e.g. `&str` into `&dyn Display`, but we can coerce `&&str` into `&dyn Display` :) Not sure if the suggestion message needs some help. Let me know, and I can refine this PR.
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@bors r+ rollup=never p=5 |
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📌 Commit 0c5f879 has been approved by |
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☀️ Test successful - checks-actions |
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Finished benchmarking commit (60e50fc): comparison url. Summary:
If you disagree with this performance assessment, please file an issue in rust-lang/rustc-perf. @rustbot label: -perf-regression |
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Successful merges:
dyn Trait#95609 (Suggest borrowing when trying to coerce unsized type intodyn Trait)Failed merges:
r? @ghost
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