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doc(hidden)
Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
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rustdoc: redesign toolbar and disclosure widgets
Fixes #77899
Fixes #90310
## Preview
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https://notriddle.com/rustdoc-html-demo-12/toolbar-v2/std/index.html
## Description
This adds labels to the icons and moves them away from the search box.
These changes are made together, because they work together, but are based on several complaints:
* The [+/-] thing are a Reddit-ism. They don't look like buttons, but look like syntax <https://rust-lang.zulipchat.com/#narrow/stream/266220-t-rustdoc/topic/More.20visual.20difference.20for.20the.20.2B.2F-.20.20Icons>, <https://github.com/rust-lang/rust/issues/59851> (some of these are laundry lists with more suggestions, but they all mention [+/-] looking wrong)
* The settings, help, and summary buttons are also too hard to recognize <https://lwn.net/Articles/987070/>, <https://github.com/rust-lang/rust/issues/90310>, <https://github.com/rust-lang/rust/issues/14475#issuecomment-274241997>, <https://internals.rust-lang.org/t/improve-rustdoc-design/12758> ("Not all functionality is self-explanatory, for example the [+] button in the top right corner, the theme picker or the settings button.")
The toggle-all and toggle-individual buttons both need done at once, since we want them to look like they go together. This changes them from both being [+/-] to both being arrows.
CC <https://github.com/rust-lang/rust/pull/113074#issuecomment-1677469680> and ``@jsha`` regarding the use of triangles for disclosure, which is what everyone wanted, but was pending a good toggle-all button. This PR adds a toggle-all button that should work.
Settings and Help are also migrated, so that the whole group can benefit from being described using actual words.
The breadcrumbs also get redesigned, so that they use less space, by shrinking the parent module path parts. This is done at the same time as the toolbar redesign because it's, effectively, moving space from the toolbar to the breadcrumbs.
This is aimed at avoiding any line wrapping at desktop sizes.
## Prior art
This style of toolbar, with explicit labels on the buttons, used to be more popular. It's not very common in web browsers nowadays, and for truly universal icons like :arrow_left: I can understand why, but words are great when icons fail.
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This tweaks it to use less space for the breadcrumbs.
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To decide if internal items should be inlined in a doc page,
check if the crate is itself internal, rather than if it has
the rustc_private feature flag. The standard library uses
internal items, but is not itself internal and should not show
internal items on its docs pages.
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rustdoc: rename `issue-\d+.rs` tests to have meaningful names (part 6)
Follow up
* https://github.com/rust-lang/rust/pull/116214
* https://github.com/rust-lang/rust/pull/116432
* https://github.com/rust-lang/rust/pull/116824
* https://github.com/rust-lang/rust/pull/118105
* https://github.com/rust-lang/rust/pull/119561
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source order even if early-bound params are present
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rustdoc: rename `issue-\d+.rs` tests to have meaningful names (part 5)
Follow up
* https://github.com/rust-lang/rust/pull/116214
* https://github.com/rust-lang/rust/pull/116432
* https://github.com/rust-lang/rust/pull/116824
* https://github.com/rust-lang/rust/pull/118105
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This is shorter, avoids potential conflicts with a crate
named `implementors`[^1], and will be less confusing when JS
include files are added for type aliases.
[^1]: AFAIK, this couldn't actually cause any problems right now,
but it's simpler just to make it impossible than relying on never
having a file named `trait.Foo.js` in the crate data area.
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r=GuillaumeGomez
rustdoc: hide `#[repr(transparent)]` if it isn't part of the public ABI
Fixes #90435.
This hides `#[repr(transparent)]` when the non-1-ZST field the struct is "transparent" over is private.
CC `@RalfJung`
Tentatively nominating it for the release notes, feel free to remove the nomination.
`@rustbot` label needs-fcp relnotes A-rustdoc-ui
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lifetimes
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r=GuillaumeGomez
rustdoc: fix cross-crate `impl Sized` & `impl ?Sized`
Previously, cross-crate impl-Trait (APIT, RPIT, etc.) that only consists of a single `Sized` bound (modulo outlives-bounds) and ones that are `?Sized` were incorrectly rendered. To give you a taste (before vs. after):
```diff
- fn sized(x: impl ) -> impl
+ fn sized(x: impl Sized) -> impl Sized
- fn sized_outlives<'a>(x: impl 'a) -> impl 'a
+ fn sized_outlives<'a>(x: impl Sized + 'a) -> impl Sized + 'a
- fn maybe_sized(x: &impl ) -> &impl
+ fn maybe_sized(x: &impl ?Sized) -> &impl ?Sized
- fn debug_maybe_sized(x: &impl Debug) -> &impl ?Sized + Debug
+ fn debug_maybe_sized(x: &(impl Debug + ?Sized)) -> &(impl Debug + ?Sized)
```
Moreover, we now surround impl-Trait that has multiple bounds with parentheses if they're the pointee of a reference or raw pointer type. This affects both local and cross-crate docs. The current output isn't correct (rustc would emit the error *ambiguous `+` in a type* if we fed the rendered code back to it).
---
Best reviewed commit by commit :)
`@rustbot` label A-cross-crate-reexports
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rustdoc: render generic params & where-clauses of cross-crate assoc tys in impls
We used to only ever render generic parameters & where-clauses of cross-crate associated types when the item was located inside of a trait and we used to just drop them when it was inside of an impl block (trait or inherent).
Fixes #112904.
`@rustbot` label A-cross-crate-reexports
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