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Rollup of 8 pull requests
Successful merges:
- rust-lang/rust#116882 (rustdoc: hide `#[repr]` if it isn't part of the public ABI)
- rust-lang/rust#135771 ([rustdoc] Add support for associated items in "jump to def" feature)
- rust-lang/rust#141032 (avoid violating `slice::from_raw_parts` safety contract in `Vec::extract_if`)
- rust-lang/rust#142401 (Add proper name mangling for pattern types)
- rust-lang/rust#146293 (feat: non-panicking `Vec::try_remove`)
- rust-lang/rust#146859 (BTreeMap: Don't leak allocators when initializing nodes)
- rust-lang/rust#146924 (Add doc for `NonZero*` const creation)
- rust-lang/rust#146933 (Make `render_example_with_highlighting` return an `impl fmt::Display`)
r? `@ghost`
`@rustbot` modify labels: rollup
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Losslessly optimize PNG files
Losslessly optimizes all of the PNG files in the repo. Done with:
```
oxipng -o max -a -s
oxipng -o max --zopfli -a -s
```
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Losslessly optimizes all of the PNG files in the repo. Done with:
```
oxipng -o max -a -s
oxipng -o max --zopfli -a -s
```
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Allow `#![doc(test(attr(..)))]` everywhere
This PR adds the ability to specify [`#![doc(test(attr(..)))]`](https://doc.rust-lang.org/nightly/rustdoc/write-documentation/the-doc-attribute.html#testattr) ~~at module level~~ everywhere in addition to allowing it at crate-root.
This is motivated by a recent PR #140323 (by ````@tgross35)```` where we have to duplicate 2 attributes to every single `f16` and `f128` doctests, by allowing `#![doc(test(attr(..)))]` at module level (and everywhere else) we can omit them entirely and just have (in both module):
```rust
#![doc(test(attr(feature(cfg_target_has_reliable_f16_f128))))]
#![doc(test(attr(expect(internal_features))))]
```
Those new attributes are appended to the one found at crate-root or at a previous module. Those "global" attributes are compatible with merged doctests (they already were before).
Given the small addition that this is, I'm proposing to insta-stabilize it, but I can feature-gate it if preferred.
Best reviewed commit by commit.
r? ````@GuillaumeGomez````
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Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
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r=GuillaumeGomez
rustdoc: fix typo change from equivelent to equivalent
This PR fixes a typo in the search section in `rustdoc` book.
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This removes the `--enable-per-target-ignores` and enables it
unconditionally.
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This renames `--runtool` and `--runtool-arg` to `--test-runtool` and
`--test-runtool-arg` to maintain consistency with other `--test-*`
arguments.
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r=GuillaumeGomez
rustdoc book: acknowledge --document-hidden-items
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constants and statics are nullary functions, and struct fields are unary functions.
functions (along with methods and trait methods) are prioritized over other
items, like fields and constants.
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Remove `rustc::existing_doc_keyword` lint
The check doesn't require a lint.
r? ``@GuillaumeGomez``
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`CheckAttrVisitor::check_doc_keyword` checks `#[doc(keyword = "..")]`
attributes to ensure they are on an empty module, and that the value is
a non-empty identifier.
The `rustc::existing_doc_keyword` lint checks these attributes to ensure
that the value is the name of a keyword.
It's silly to have two different checking mechanisms for these
attributes. This commit does the following.
- Changes `check_doc_keyword` to check that the value is the name of a
keyword (avoiding the need for the identifier check, which removes a
dependency on `rustc_lexer`).
- Removes the lint.
- Updates tests accordingly.
There is one hack: the `SelfTy` FIXME case used to used to be handled by
disabling the lint, but now is handled with a special case in
`is_doc_keyword`. That hack will go away if/when the FIXME is fixed.
Co-Authored-By: Guillaume Gomez <guillaume1.gomez@gmail.com>
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rustdoc book
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rustdoc-search: simplify rules for generics and type params
**Heads up!**: This PR is a follow-up that depends on #124544. It adds 12dc24f46007f82b93ed85614347a42d47580afa, a change to the filtering behavior, and 9900ea48b566656fb12b5fcbd0a1b20aaa96e5ca, a minor ranking tweak.
Part of https://github.com/rust-lang/rust-project-goals/issues/112
This PR overturns https://github.com/rust-lang/rust/pull/109802
## Preview
* no results: [`Box<[A]> -> Vec<B>`](http://notriddle.com/rustdoc-html-demo-12/search-sem-3/std/index.html?search=Box%3C%5BA%5D%3E%20-%3E%20Vec%3CB%3E)
* results: [`Box<[A]> -> Vec<A>`](http://notriddle.com/rustdoc-html-demo-12/search-sem-3/std/index.html?search=Box%3C%5BA%5D%3E%20-%3E%20Vec%3CA%3E)
* [`T -> U`](http://notriddle.com/rustdoc-html-demo-12/search-sem-3/std/index.html?search=T%20-%3E%20U)
* [`Cx -> TyCtxt`](http://notriddle.com/rustdoc-html-demo-12/search-sem-3-compiler/rustdoc/index.html?search=Cx%20-%3E%20TyCtxt)
## Description
This commit is a response to feedback on the displayed type signatures results, by making generics act stricter.
- Order within generics is significant. This means `Vec<Allocator>` now matches only with a true vector of allocators, instead of matching the second type param. It also makes unboxing within generics stricter, so `Result<A, B>` only matches if `B` is in the error type and `A` is in the success type. The top level of the function search is unaffected.
- Generics are only "unboxed" if a type is explicitly opted into it. References and tuples are hardcoded to allow unboxing, and Box, Rc, Arc, Option, Result, and Future are opted in with an unstable attribute. Search result unboxing is the process that allows you to search for `i32 -> str` and get back a function with the type signature `&Future<i32> -> Box<str>`.
- Instead of ranking by set overlap, it ranks by the number of items in the type signature. This makes it easier to find single type signatures like transmute.
## Find the discussion on
* <https://rust-lang.zulipchat.com/#narrow/stream/393423-t-rustdoc.2Fmeetings/topic/meeting.202024-07-08/near/449965149>
* <https://github.com/rust-lang/rust/pull/124544#issuecomment-2204272265>
* <https://rust-lang.zulipchat.com/#narrow/channel/266220-t-rustdoc/topic/deciding.20on.20semantics.20of.20generics.20in.20rustdoc.20search>
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This changes the naming to the new naming, used by `--print
target-tuple`.
It does not change all locations, but many.
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This commit is a response to feedback on the displayed type
signatures results, by making generics act stricter.
Generics are tightened by making order significant. This means
`Vec<Allocator>` now matches only with a true vector of allocators,
instead of matching the second type param. It also makes unboxing
within generics stricter, so `Result<A, B>` only matches if `B`
is in the error type and `A` is in the success type. The top level
of the function search is unaffected.
Find the discussion on:
* <https://rust-lang.zulipchat.com/#narrow/stream/393423-t-rustdoc.2Fmeetings/topic/meeting.202024-07-08/near/449965149>
* <https://github.com/rust-lang/rust/pull/124544#issuecomment-2204272265>
* <https://rust-lang.zulipchat.com/#narrow/channel/266220-t-rustdoc/topic/deciding.20on.20semantics.20of.20generics.20in.20rustdoc.20search/near/476841363>
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r=notriddle,jyn514
Add `field@` and `variant@` doc-link disambiguators
I'm not sure if this is big enough to need an fcp or not, but this is something I found missing when trying to refer to a field in macro-generated docs, not knowing if a method might be defined as well. Obviously, there are definitely other uses.
In the case where it's not disambiguated, methods (and I suppose other associated items in the value namespace) still take priority, which `@jyn514` said was an oversight but I think is probably the desired behavior 99% of the time anyway - shadowing a field with an accessor method is a very common pattern. If fields and methods with the same name started conflicting, it would be a breaking change. Though, to quote them:
> jyn: maybe you can break this only if both [the method and the field] are public
> jyn: rustc has some future-incompat warning level
> jyn: that gets through -A warnings and --cap-lints from cargo
That'd be out of scope of this PR, though.
Fixes #80283
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coherency
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