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It makes the link easier to use in cases in which
the path of the page where it will be embedded is not
known beforehand such as when we generate impls
dynamically from `register_type_impls` method in
`main.js`
Earlier for local primitives we would generate a path
that was relative to the current page depth passed in `cx.current`
. e.g if the current page was `std::simd::prelude::Simd` the
generated path would be `../../primitive.<prim>.html` After this
change the path will first take you to the the wesite root and add
the crate name. e.g. for `std::simd::prelude::Simd` the path now
will be `../../../std/primitive.<prim>.html`
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This is about equally readable, a lot more terse, and stops
special-casing functions and methods.
```console
$ du -hs doc-old/ doc-new/
671M doc-old/
670M doc-new/
```
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before: `for fn (T₁, T₂, …, Tₙ) -> Ret`
after: `for fn(T₁, T₂, …, Tₙ) -> Ret`
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This is aimed at hitting the allocator less in a function that
gets called a lot.
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Removes two pieces of mutable state.
Follow up to #114622.
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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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As suggested in
https://github.com/rust-lang/rust/pull/112113/files/1862fcb1df05b116443ad3b27028616a180ffadb#r1211200570.
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The default fn ret ty is always unit. Just use that.
Looking back at the time when `FnRetTy` (then called
`FunctionRetTy`) was first added to rustdoc, it seems to originally
be there because `-> !` was a special form: the never type didn't
exist back then.
https://github.com/rust-lang/rust/commit/eb01b17b06eb35542bb80ff7456043b0ed5572ba#diff-384affc1b4190940f114f3fcebbf969e7e18657a71ef9001da6b223a036687d9L921-L924
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rustdoc: migrate item_union to an Askama template
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rustdoc: cleanup some intermediate allocs
First commit self contained, second one use `display_fn` for `extra_info_tags`
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Instead of maintaining parallel buffers for both HTML and non-HTML output,
follow the idiom from the rest of format.rs that f.alternate() == true means
textual output. Also, add an argument to control line wrapping explicitly.
This allows the caller to render once with textual output and no line wrapping,
to decide whether line wrapping should be applied in the final HTML output.
Also, remove some format! and " ".repeat calls, and remove a dependency on
calling `String::replace` to switch from newlines to spaces.
This coincidentally fixes some minor bugs where the old code was undercounting
the number of characters for a declaration in text mode.
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This trait was a way to generalize over both `TyCtxt` and `Resolver`, but now `Resolver` has access to `TyCtxt`, so this trait is no longer necessary.
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An attempt to reduce the perf regression in
https://github.com/rust-lang/rust/pull/108052#issuecomment-1430631861
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Discussed in
https://rust-lang.zulipchat.com/#narrow/stream/147480-t-compiler.2Fwg-diagnostics/topic/.22associated.20function.22.20vs.20.22method.22/near/329265515
This commit also changes the tooltips on rustdoc intra-doc links
targeting methods.
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use chars instead of strings where applicable
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rustdoc: Use more let chain
Got the idea after yesterday's review.
r? `@notriddle`
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This commit makes intra-doc link tooltips consistent with generated
links in function signatures and item tables, with the format
`itemtype foo::bar::baz`. This way, you can tell if a link points at
a trait or a type (for example) by mousing over it.
See also fce944d4e79b3a87ddf511206724edf33acfd704
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Since these elements now use `white-space: pre-wrap` since
784665d4ce59c5239791f1f96fa2137e47ca1817, it's fine to use newlines
for formatting, which is smaller and a bit less complicated.
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