Rollup of 14 pull requests #78311
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Rollup of 14 pull requests #78311
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This reverts commit 56e115a.
When a range has finished iteration, `is_empty` returns true, so it should also be the case that `contains` returns false.
This removes a cause of `unwrap` and code complexity.
This allows replacing
```
option_value = Some(build());
option_value.as_mut().unwrap()
```
with
```
option_value.insert(build())
```
or
```
option_value.insert_with(build)
```
It's also useful in contexts not requiring the mutability of the reference.
Here's a typical cache example:
```
let checked_cache = cache.as_ref().filter(|e| e.is_valid());
let content = match checked_cache {
Some(e) => &e.content,
None => {
cache = Some(compute_cache_entry());
// unwrap is OK because we just filled the option
&cache.as_ref().unwrap().content
}
};
```
It can be changed into
```
let checked_cache = cache.as_ref().filter(|e| e.is_valid());
let content = match checked_cache {
Some(e) => &e.content,
None => &cache.insert_with(compute_cache_entry).content,
};
```
`option.insert` covers both needs anyway, `insert_with` is redundant.
Code cleaning made according to suggestions in discussion on PR ##77392 impacts insert, get_or_insert and get_or_insert_with.
Co-authored-by: Mara Bos <[email protected]>
Co-authored-by: Ivan Tham <[email protected]>
An empty enum is similar to the never type `!`, rather than the unit type `()`.
Add a spin loop hint for Arc::downgrade Adds `hint::spin_loop()` to the case where `Arc::downgrade` spins.
add `insert` to `Option`
This removes a cause of `unwrap` and code complexity.
This allows replacing
```
option_value = Some(build());
option_value.as_mut().unwrap()
```
with
```
option_value.insert(build())
```
It's also useful in contexts not requiring the mutability of the reference.
Here's a typical cache example:
```
let checked_cache = cache.as_ref().filter(|e| e.is_valid());
let content = match checked_cache {
Some(e) => &e.content,
None => {
cache = Some(compute_cache_entry());
// unwrap is OK because we just filled the option
&cache.as_ref().unwrap().content
}
};
```
It can be changed into
```
let checked_cache = cache.as_ref().filter(|e| e.is_valid());
let content = match checked_cache {
Some(e) => &e.content,
None => &cache.insert(compute_cache_entry()).content,
};
```
*(edited: I removed `insert_with`)*
…nas-schievink Revert "Allow dynamic linking for iOS/tvOS targets." This reverts PR #73516. On macOS I compile static libs for iOS, automated using [cargo-mobile](https://github.com/BrainiumLLC/cargo-mobile), which has worked smoothly for the past 2 years. However, upon updating to Rust 1.46.0, I was no longer able to use Rust on iOS. I've bisected this to the PR referenced above. For most projects tested, apps now immediately crash with a message like this: ``` dyld: Library not loaded: /Users/francesca/Projects/example/target/aarch64-apple-ios/debug/deps/libexample.dylib Referenced from: /private/var/containers/Bundle/Application/745912AF-A928-465C-B340-872BD1C9F368/example.app/example Reason: image not found dyld: launch, loading dependent libraries DYLD_LIBRARY_PATH=/usr/lib/system/introspection DYLD_INSERT_LIBRARIES=/Developer/usr/lib/libBacktraceRecording.dylib:/Developer/usr/lib/libMainThreadChecker.dylib:/Developer/Library/PrivateFrameworks/DTDDISupport.framework/libViewDebuggerSupport.dylib:/Developer/Library/PrivateFrameworks/GPUTools.framework/libglInterpose.dylib:/usr/lib/libMTLCapture.dylib ``` This can be reproduced by using cargo-mobile to generate a winit example project, and then attempting to run it on an iOS device (`cargo mobile init && cargo apple open`). In our projects that depend on DisplayLink, the build instead fails with a linker error: ``` = note: Undefined symbols for architecture arm64: "_CACurrentMediaTime", referenced from: display_link::ios::run_callback_ios10::hda81197ff46aedbd in libapp-4f0abc1d7684103f.rlib(app-4f0abc1d7684103f.40d4iro0yz1iy487.rcgu.o) display_link::ios::run_callback_pre_ios10::h91f085da19374320 in libapp-4f0abc1d7684103f.rlib(app-4f0abc1d7684103f.40d4iro0yz1iy487.rcgu.o) ld: symbol(s) not found for architecture arm64 ``` After reverting the change to enable dynamic linking on iOS, everything works the same as it did on Rust 1.45.2 for me. In the future, would it be possible for me to be pinged when iOS-related PRs are made? I work for a company that intends on using Rust on iOS in production, so I'd gladly provide testing. cc @aspenluxxxy
Check for exhaustion in RangeInclusive::contains and slicing When a range has finished iteration, `is_empty` returns true, so it should also be the case that `contains` returns false. Fixes #77941.
Simplify assert terminator only if condition evaluates to expected value
--test-args flag description tiny enhancement/clarification for the help description of the `--test-args` option from `x.py test` subcommand. Edit: ...as discussed in zulip [here](https://rust-lang.zulipchat.com/#narrow/stream/122651-general/topic/x.2Epy.20run.20single.20unit.20test.3F/near/214107842)
improve const infer error For type inference we probably have to be careful about subtyping and stuff but considering that subtyping shouldn't be relevant for constants I don't really see a reason why we may not want to reuse the const origin here. r? `@varkor`
Document inline-const Part of #76001. r? @spastorino
Add regression test for issue-77475 Closes #77475
Do not try to report on closures to avoid ICE Fixes #78262
Update description of Empty Enum for accuracy An empty enum is similar to the never type `!`, rather than the unit type `()`.
move `visit_predicate` into `TypeVisitor` Seems easier than dealing with `PredicateVisitor` for me which I needed for object safety checks for `PredicateAtom::ConstEvaluatable`. Is there a reason I am missing for this split? r? @matthewjasper
Always store Rustdoc theme when it's changed `switchTheme` (too) lazily updated the value of `rustdoc-theme` in `localStorage`, leading to an incorrect stored value when the system theme is the same as the default (`light`) theme. Fixes #78273
Fix Ubuntu download URL
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📌 Commit 5f61b55 has been approved by |
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@bors p=2000 |
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⌛ Testing commit 5f61b55 with merge 1904d2e16437723386b96140710e735e4e875dd8... |
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💔 Test failed - checks-actions |
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Successful merges:
inserttoOption#77392 (addinserttoOption)visit_predicateintoTypeVisitor#78278 (movevisit_predicateintoTypeVisitor)Failed merges:
r? @ghost