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Mark doc examples w/ `extern` blocks as `ignore`.
Fixes https://github.com/rust-lang/rust/issues/48218.
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Fix broken documentation link.
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You can now choose between the following:
- `#[unwind(allowed)]`
- `#[unwind(aborts)]`
Per rust-lang/rust#48251, the default is `#[unwind(allowed)]`, though
I think we should change this eventually.
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BREAKING CHANGE:
This has the potential to cause regressions in type inference.
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Part of https://github.com/rust-lang/rust/issues/48311
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Fixes https://github.com/rust-lang/rust/issues/48218.
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Unify 'Platform-specific behavior' documentation headings.
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fix more typos found by codespell.
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Add a warning to File about mutability.
Fixes #47708.
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RFC 2070 part 1: PanicInfo and Location API changes
This implements part of https://rust-lang.github.io/rfcs/2070-panic-implementation.html
Tracking issue: https://github.com/rust-lang/rust/issues/44489
* Move `std::panic::PanicInfo` and `std::panic::Location` to a new `core::panic` module. The two types and the `std` module were already `#[stable]` and stay that way, the new `core` module is `#[unstable]`.
* Add a new `PanicInfo::message(&self) -> Option<&fmt::Arguments>` method, which is `#[unstable]`.
* Implement `Display` for `PanicInfo` and `Location`
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Relax termination_trait's error bound
As per [this conversation](https://github.com/withoutboats/failure/issues/130#issuecomment-358572413) with @withoutboats and @bkchr
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Rollup of 8 pull requests
- Successful merges: #48095, #48152, #48234, #48239, #48243, #48260, #48284, #48286
- Failed merges:
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Fix condvar example
Fixes #48230.
r? @QuietMisdreavus
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Remove "empty buffer" doc in read_until
This appears copied from fill_buf, but the above paragraph already indicates that a lack of delimiter at the end is EOF.
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Primitive docs relevant
This fixes the documentation to show the right types in the examples for many integer methods.
I need to check if the result is correct before we merge.
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This is the ideal FileType on Windows. You may not like it, but this is what peak performance looks like.
Theoretically this would fix https://github.com/rust-lang/rust/issues/46484
The current iteration of this PR should not cause existing code to break, but instead merely improves handling around reparse points. Specifically...
* Reparse points are considered to be symbolic links if they have the name surrogate bit set. Name surrogates are reparse points that effectively act like symbolic links, redirecting you to a different directory/file. By checking for this bit instead of specific tags, we become much more general in our handling of reparse points, including those added by third parties.
* If something is a reparse point but does not have the name surrogate bit set, then we ignore the fact that it is a reparse point because it is actually a file or directory directly there, despite having additional handling by drivers due to the reparse point.
* For everything which is not a symbolic link (including non-surrogate reparse points) we report whether it is a directory or a file based on the presence of the directory attribute bit.
* Notably this still preserves invariant that when `is_symlink` returns `true`, both `is_dir` and `is_file` will return `false`. The potential for breakage was far too high.
* Adds an unstable `FileTypeExt` to allow users to determine whether a symbolic link is a directory or a file, since `FileType` by design is incapable of reporting this information.
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Also fix some code snippets in documentation.
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Fixes #47708.
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This appears copied from fill_buf, but the above paragraph already indicates that a lack of delimiter at the end is EOF.
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r=arthurprs
Early exit for empty HashMap (issue #38880)
Addresses issue #38880 by checking if the HashMap is empty before computing the value of the hash.
Before (integer keys)
```
running 4 tests
test empty_once ... bench: 13 ns/iter (+/- 0)
test empty_100 ... bench: 1,367 ns/iter (+/- 35)
test exist_once ... bench: 14 ns/iter (+/- 0)
test exist_100 ... bench: 1,518 ns/iter (+/- 40)
```
After
```
running 4 tests
test empty_once ... bench: 2 ns/iter (+/- 0)
test empty_100 ... bench: 221 ns/iter (+/- 0)
test exist_once ... bench: 15 ns/iter (+/- 0)
test exist_100 ... bench: 1,515 ns/iter (+/- 92)
```
When the HashMap is not empty, the performance remains the same, and when it is empty the performance is significantly improved.
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typo: correct endianess to endianness (this also changes function names!)
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Correct a few stability attributes
* `core_float_bits`, `duration_core`, `path_component_asref`, and `repr_align` were stabalized in 1.25.0 not 1.24.0.
* Impls for `NonNull` involving unstable things should remain unstable.
* `Duration` should remain stable since 1.3.0 so it appears correctly in the `std` docs.
* `cursor_mut_vec` is an impl on only stable things so should be marked stable.
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Unimplement Send/Sync for ::env::{Args,ArgsOs,Vars,VarsOs}
Fixes #48004
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Switch feature guards to unstable
Add missing semicolon
Remove mut that's no longer necessary
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header command and appropriate tests
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Add some APIs to ptr::NonNull and fix `since` attributes
This is a follow-up to its stabilization in https://github.com/rust-lang/rust/pull/46952. Tracking issue: https://github.com/rust-lang/rust/issues/27730.
* These trait impls are insta-stable: `Hash`, `PartialEq`, `Eq`, `PartialOrd` and `Ord`.
* The new `cast<U>() -> NonNull<U>` method is `#[unstable]`. It was proposed in https://github.com/rust-lang/rust/pull/46952#issuecomment-359220010.
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BREAKING CHANGE: (or perhaps, *bugfix*)
In #![no_std] applications, the following calls to `panic!` used
to behave differently; they now behave the same.
Old behavior:
panic!("{{"); // panics with "{{"
panic!("{{",); // panics with "{"
New behavior:
panic!("{{"); // panics with "{{"
panic!("{{",); // panics with "{{"
This only affects calls to `panic!` (and by proxy `assert`
and `debug_assert`) with a single string literal followed by
a trailing comma, and only in `#![no_std]` applications.
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Document std::os::raw.
This adds a brief explanation to each type and its definition according to C. This also helps clarify that the definitions of the types, as described by rustdoc, are not necessarily the same from platform to platform.
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