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Spelling library
Split per https://github.com/rust-lang/rust/pull/110392
I can squash once people are happy w/ the changes. It's really uncommon for large sets of changes to be perfectly acceptable w/o at least some changes.
I probably won't have time to respond until tomorrow or the next day
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* advance
* aligned
* borrowed
* calculate
* debugable
* debuggable
* declarations
* desugaring
* documentation
* enclave
* ignorable
* initialized
* iterator
* kaboom
* monomorphization
* nonexistent
* optimizer
* panicking
* process
* reentrant
* rustonomicon
* the
* uninitialized
Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>
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Updating Wake example to use new 'pin!' macro
Closes: https://github.com/rust-lang/rust/issues/109965
I have already had this reviewed and approved here: https://github.com/rust-lang/rust/pull/110026 . But because I had some git issues and chose the "nuke it" option as my solution it didn't get merged. I nuked it too quickly. I am sorry for trouble of reviewing twice.
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Add support for allocators in `LinkedList`
Allows `LinkedList` to use a custom allocator
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This reverts commit c9a6e41026d7aa27d897fb83e995447719753076.
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This reverts commit abc0660118cc95f47445fd33502a11dd448f5968.
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This reverts commit 4b981c26487ebe56de6b3000fcd98713804beefc.
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Report allocation errors as panics
OOM is now reported as a panic but with a custom payload type (`AllocErrorPanicPayload`) which holds the layout that was passed to `handle_alloc_error`.
This should be review one commit at a time:
- The first commit adds `AllocErrorPanicPayload` and changes allocation errors to always be reported as panics.
- The second commit removes `#[alloc_error_handler]` and the `alloc_error_hook` API.
ACP: https://github.com/rust-lang/libs-team/issues/192
Closes #51540
Closes #51245
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More `IS_ZST` in `library`
I noticed that `post_inc_start` and `pre_dec_end` were doing this check in different ways
https://github.com/rust-lang/rust/blob/d19b64fb54391b64ce99981577c67c93ac2a9ffa/library/core/src/slice/iter/macros.rs#L76-L93
so started making this PR, then added a few more I found since I was already making changes anyway.
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I noticed that `post_inc_start` and `pre_dec_end` were doing this check in different ways
https://github.com/rust-lang/rust/blob/d19b64fb54391b64ce99981577c67c93ac2a9ffa/library/core/src/slice/iter/macros.rs#L76-L93
so started making this PR, then added a few more I found since I was already making changes anyway.
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A bunch of places were using `replace(…, &mut [])`, but that can just be `take`.
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Remove some unneeded imports / qualified paths
Continuation of #105537.
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Add `tidy-alphabetical` to features in `alloc` & `std`
So that people have to keep them sorted in future, rather than just sticking them on the end where they conflict more often.
Follow-up to #110269
cc `@jyn514`
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So that people have to keep them sorted in future, rather than just sticking them on the end where they conflict more often.
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binary_heap: Optimize Extend implementation.
This PR makes the `Extend` implementation for `BinaryHeap` no longer rely on specialization, so that it always use the bulk rebuild optimization that was previously only available for the `Vec` specialization.
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Stabilize `binary_heap_retain`
FCP finished in tracking issue: #71503
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Improve documentation for str::replace() and str::replacen()
Currently, to know what the function will return when the pattern doesn't match, the docs require the reader to understand the implementation detail and mentally evaluate or run the example code. It is not immediately clear.
This PR makes it more explicit so the reader can quickly find the information.
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Enhanced doucmentation of binary search methods for `slice` and `VecDeque` for unsorted instances
Fixes #106746. Issue #106746 raises the concern that the binary search methods for slices and deques aren't explicit enough about the fact that they are only applicable to sorted slices/deques. I changed the explanation for these methods. I took the relatively harsh description of the behaviour of binary search on unsorted collections ("unspecified and meaningless") from the description of the [`partition_point`](https://doc.rust-lang.org/std/primitive.slice.html#method.partition_point) method:
> If this slice is not partitioned, the returned result is unspecified and meaningless, as this method performs a kind of binary search.
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Remove ~const from alloc
There is currently an effort underway to stop using `~const Trait`, temporarily, so as to refactor the logic underlying const traits with relative ease. This means it has to go from the standard library, as well.
I have taken the initial step of just removing these impls from alloc, as removing them from core is a much more tangled task. In addition, all of these implementations are one more-or-less logically-connected group, so reverting their deconstification as a group seems like it will also be sensible.
r? `@fee1-dead`
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unsorted instances
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FCP finished in tracking issue: #71503
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Change advance(_back)_by to return the remainder instead of the number of processed elements
When advance_by can't advance the iterator by the number of requested elements it now returns the amount by which it couldn't be advanced instead of the amount by which it did.
This simplifies adapters like chain, flatten or cycle because the remainder doesn't have to be calculated as the difference between requested steps and completed steps anymore.
Additionally switching from `Result<(), usize>` to `Result<(), NonZeroUsize>` reduces the size of the result and makes converting from/to a usize representing the number of remaining steps cheap.
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A successful advance is now signalled by returning `0` and other values now represent the remaining number
of steps that couldn't be advanced as opposed to the amount of steps that have been advanced during a partial advance_by.
This simplifies adapters a bit, replacing some `match`/`if` with arithmetic. Whether this is beneficial overall depends
on whether `advance_by` is mostly used as a building-block for other iterator methods and adapters or whether
we also see uses by users where `Result` might be more useful.
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r=m-ou-se,the8472
Stabilize `nonnull_slice_from_raw_parts`
FCP is done: https://github.com/rust-lang/rust/issues/71941#issuecomment-1100910416
Note that this doesn't const-stabilize `NonNull::slice_from_raw_parts` as `slice_from_raw_parts_mut` isn't const-stabilized yet. Given #67456 and #57349, it's not likely available soon, meanwhile, stabilizing only the feature makes some sense, I think.
Closes #71941
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Currently, to know what the function will return when the pattern
doesn't match, the docs require the reader to understand the
implementation detail and mentally evaluate or run the example
code. It is not immediately clear.
This PR makes it more explicit so the reader can quickly find the
information.
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Implement Default for some alloc/core iterators
Add `Default` impls to the following collection iterators:
* slice::{Iter, IterMut}
* binary_heap::IntoIter
* btree::map::{Iter, IterMut, Keys, Values, Range, IntoIter, IntoKeys, IntoValues}
* btree::set::{Iter, IntoIter, Range}
* linked_list::IntoIter
* vec::IntoIter
and these adapters:
* adapters::{Chain, Cloned, Copied, Rev, Enumerate, Flatten, Fuse, Rev}
For iterators which are generic over allocators it only implements it for the global allocator because we can't conjure an allocator from nothing or would have to turn the allocator field into an `Option` just for this change.
These changes will be insta-stable.
ACP: https://github.com/rust-lang/libs-team/issues/77
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Remove outdated comments
What the title said
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Includes resolving the FIXMEs in the documentation,
and some very minor documentation improvements.
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Remove the assume(!is_null) from Vec::as_ptr
At a guess, this code is leftover from LLVM was worse at keeping track of the niche information here. In any case, we don't need this anymore: Removing this `assume` doesn't get rid of the `nonnull` attribute on the return type.
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