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DoubleEndedIterators."
This reverts commit 3e86cf36b5114f201868bf459934fe346a76a2d4.
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Remove bitrig support from rust
Resolves #60743
using `find` and `rg` I delete every occurence of "bitrig" in the sources, expect for the llvm submodule (is this correct?).
There's also this file https://github.com/rust-lang/rls/blob/5b8e99bb61958ca8abcb7c5eda70521726be1065/rls-analysis/test_data/rust-analysis/libstd-af9bacceee784405.json which contains a bitrig string in it. What to do with that?
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Add implementations of last in terms of next_back on a bunch of DoubleEndedIterators
Provided a `DoubleEndedIterator` has finite length, `Iterator::last` is equivalent to `DoubleEndedIterator::next_back`. But searching forwards through the iterator when it's unnecessary is obviously not good for performance. I ran into this on one of the collection iterators.
I tried adding appropriate overloads for a bunch of the iterator adapters like filter, map, etc, but I ran into a lot of type inference failures after doing so.
The other interesting case is what to do with `Repeat`. Do we consider it part of the contract that `Iterator::last` will loop forever on it? The docs do say that the iterator will be evaluated until it returns None. This is also relevant for the adapters, it's trivially easy to observe whether a `Map` adapter invoked its closure a zillion times or just once for the last element.
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DoubleEndedIterators.
r?Manishearth
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Previously there wasn't any documentation to show what the type of
`Item` was inside `std::env::SplitPaths`. Now, in the same format as
other examples of docs in `srd` for `Iterator#Item`, we mention the
type.
This fixes #59543.
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There are two big categories of changes in here
- Removing lifetimes from common traits that can essentially never user a lifetime from an input (particularly `Drop` & `Debug`)
- Forwarding impls that are only possible because the lifetime doesn't matter (like `impl<R: Read + ?Sized> Read for &mut R`)
I omitted things that seemed like they could be more controversial, like the handful of iterators that have a `Item: 'static` despite the iterator having a lifetime or the `PartialEq` implementations where the flipped one cannot elide the lifetime.
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Fixes https://github.com/rust-lang/rust/issues/49233.
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There are some tests that need to be disabled on CloudABI specifically,
due to the fact that the shims cannot be built in combination with
unix::ext or windows::ext. Also improve the scoping of some imports to
suppress compiler warnings.
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- Update example in ‘security’ section to use hard links, like the
linked securityvulns.com example.
- Weaken language on symbolic links – indicate behavior is
platform-specific
Fixes https://github.com/rust-lang/rust/issues/43617.
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Should fix race #42795
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Better Debug for Args and ArgsOs
Display actual args instead of two dots.
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Display actual args instead of two dots.
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env docs completion.
Should be closing #29351 with the alignment of the iterators to the template.
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Improving std::env docs
Addresses #29351.
Hopefully this addresses the following points:
> - iterators should use the standard iterator boilerplate like https://doc.rust-lang.org/std/iter/struct.Map.html, this applies to all structs except for JoinPathsError
> - JoinPathsError should properly link the function it comes from and use language similar to https://doc.rust-lang.org/std/io/struct.Error.html
> - same wording issues with VarError
> - functions need to ensure linkage to things they refer to in their descriptions
> - Explain the difference between `os` and non-`os` structs and methods
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Correct some stability versions
These were found by running tidy on stable versions of rust and finding
features stabilised with the wrong version numbers.
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These were found by running tidy on stable versions of rust and finding
features stabilised with the wrong version numbers.
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The args() and args_os() docs include a line about how the first element
is usually the program name. Include that line in the struct docs too.
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The versions show up in rustdoc.
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See #38644.
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* Call functions "functions" instead of "methods".
* Link structures to their constructor functions
* Add other misc. documentation links
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Part of https://github.com/rust-lang/rust/issues/31869.
Also turn on the `missing_debug_implementations` lint at the crate
level.
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