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add UnsafeCell direct access APIs
- Implementation for ACP: https://github.com/rust-lang/libs-team/issues/521
- Tracking issue #136327
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Extract `core::ffi` primitives to a separate (internal) module
### Introduce library/core/src/ffi/primitives.rs
The regex preprocessing for PR #133944 would be more robust if the relevant types from core/src/ffi/mod.rs were first moved to library/core/src/ffi/primitives.rs, then there isn't a need to deal with traits / c_str / va_list / whatever might wind up in that module in the future
r? `@tgross35`
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Implement unstable `new_range` feature
Switches `a..b`, `a..`, and `a..=b` to resolve to the new range types.
For rust-lang/rfcs#3550
Tracking issue #123741
also adds the re-export that was missed in the original implementation of `new_range_api`
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Move some std tests to integration tests
Unit tests directly inside of standard library crates require a very fragile way of building that is hard to reproduce outside of bootstrap.
Follow up to https://github.com/rust-lang/rust/pull/133859
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Display of integers without raw pointers and without overflowing_literals
The benchmarks as is measure formatting speed of literals. The first commit `black_box`-es input to simulate runtime speed instead.
The second commit replaces `unsafe` pointer optimizations with plain array indices. The performance is equivalent on Apple M1. Needs peer review on Intel.
Happy to do the 128-bit version too if such change is welcome.
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i am not quite sure how this failure is in any way related to this pr,
since i am only touching inherent functions on str? but sure.
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This has now been approved as a language feature and no longer needs
a `rustc_` prefix.
Also change the `contracts` feature to be marked as incomplete and
`contracts_internals` as internal.
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1. Document the new intrinsics.
2. Make the intrinsics actually check the contract if enabled, and
remove `contract::check_requires` function.
3. Use panic with no unwind in case contract is using to check for
safety, we probably don't want to unwind. Following the same
reasoning as UB checks.
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The extended syntax for function signature that includes contract clauses
should never be user exposed versus the interface we want to ship
externally eventually.
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Check ensures on early return due to Try / Yeet
Expand these two expressions to include a call to contract checking
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Fix both the instructions for how to regenerate each `generated.rs`, and
the logic for inferring the correct output path from each input
`.spec.yml`.
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lang items
includes post-developed commit: do not suggest internal-only keywords as corrections to parse failures.
includes post-developed commit: removed tabs that creeped in into rustfmt tool source code.
includes post-developed commit, placating rustfmt self dogfooding.
includes post-developed commit: add backquotes to prevent markdown checking from trying to treat an attr as a markdown hyperlink/
includes post-developed commit: fix lowering to keep contracts from being erroneously inherited by nested bodies (like closures).
Rebase Conflicts:
- compiler/rustc_parse/src/parser/diagnostics.rs
- compiler/rustc_parse/src/parser/item.rs
- compiler/rustc_span/src/hygiene.rs
Remove contracts keywords from diagnostic messages
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see test for an example of the kind of injected code that is anticipated here.
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These are hooks to:
1. control whether contract checks are run
2. allow 3rd party tools to intercept and reintepret the results of running contracts.
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OnceCell & OnceLock docs: Using (un)initialized consistently
Changed
* `set` / `initialize` / `full` to `initialized state`
* `uninitialize` / `empty` to `uninitialized state`
* `f` to `f()`
* Added explaination of `uninitialized state` & `initialized state`
[OnceCell Docs](https://doc.rust-lang.org/nightly/std/cell/struct.OnceCell.html)
[OnceLock Docs](https://doc.rust-lang.org/nightly/std/sync/struct.OnceLock.html)
Fixes #85716
``@rustbot`` label +A-docs
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signed type
There was a macro parameter giving signed impls access to the
corresponding unsigned type, but not the other way around.
This will allow implementing methods converting in both directions.
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As per #117276, this PR moves `sys_common::net` and the `sys::pal::net` into the newly created `sys::net` module. In order to support #135141, I've moved all the current network code into a separate `connection` module, future functions like `hostname` can live in separate modules.
I'll probably do a follow-up PR and clean up some of the actual code, this is mostly just a reorganization.
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RalfJung:rustc_allowed_through_unstable_modules-deprecation-required, r=compiler-errors
rustc_allowed_through_unstable_modules: require deprecation message
This changes the `#[rustc_allowed_through_unstable_modules]` attribute so that a deprecation message (ideally directing people towards the stable path) is required.
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Update encode_utf16 to mention it is native endian
Fixes #83102
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r=oli-obk
Remove rustc_encodable_decodable feature
This has been shown in future-compat reports since Rust 1.79 (https://github.com/rust-lang/rust/pull/116016), released June 2024. Let's see if crater still finds any issues.
Part of https://github.com/rust-lang/rust/issues/134301.
Cc ``@rust-lang/libs-api``
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Fix sentence in process::abort
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Set environment variables before launching the process and restore the
prior variables after the program exists.
This is the same implementation as the one used by UEFI Shell Execute [0].
[0]: https://github.com/tianocore/edk2/blob/2d2642f4832ebc45cb7d5ba9430b933d953b94f2/ShellPkg/Application/Shell/ShellProtocol.c#L1700
Signed-off-by: Ayush Singh <ayush@beagleboard.org>
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document that ptr cmp is unsigned
Fixes #77497
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Stabilize `once_wait`
Closes: https://github.com/rust-lang/rust/issues/127527.
`@rustbot` label: +T-libs-api
r? libs-api
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Implement all mix/max functions in a (hopefully) more optimization amendable way
Previously the graph was like this:
```
min -> Ord::min -> min_by -> match on compare() (in these cases compare = Ord::cmp)
^
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min_by_key
```
now it looks like this:
```
min -> Ord::min -> `<=` <- min_by_key
min_by -> `Ordering::is_le` of `compare()`
```
(`max*` and `minmax*` are the exact same, i.e. they also use `<=` and `is_le`)
I'm not sure how to test this, but it should probably be easier for the backend to optimize.
r? `@scottmcm`
cc https://github.com/rust-lang/rust/issues/115939#issuecomment-2622161134
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docs: Documented Send and Sync requirements for Mutex + MutexGuard
This an attempt to continue where #123225 left off.
I did some light clean up from the work done in that PR.
I also documented the `!Send` + `Sync` implementations for `MutexGuard` to the best of my knowledge.
Let me know if I got anything wrong :smile:
fixes #122856
cc: ``@IoaNNUwU``
r? ``@joboet``
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Add documentation for derive(CoercePointee)
Part of [RFC 3621][rfc] tracked by #123430. This text is heavily based on the guide-level explanation from the RFC.
``@rustbot`` label F-derive_coerce_pointee
[rfc]: https://rust-lang.github.io/rfcs/3621-derive-smart-pointer.html
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Fix off-by-one error causing slice::sort to abort the program
Fixes #136103.
Based on the analysis by ``@jonathan-gruber-jg`` and ``@orlp.``
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