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As an example, this cuts down
<https://doc.rust-lang.org/nightly/nightly-rustc/src/rustc_middle/ty/mod.rs.html>
by about 11%.
$ du -h new_mod.rs.html old_mod.rs.html
296K new_mod.rs.html
332K old_mod.rs.html
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Simplify `hir::PathSegment`
r? `@petrochenkov`
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more clippy::perf fixes
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r=notriddle
Remove unneeded where whitespace
It fixes these two bugs:
It's a relic from a very old time (this commit: https://github.com/rust-lang/rust/commit/bfd01b7f40ae2cbfe9acbc1d10e79ffe16870df8).
You can test the result [here](https://rustdoc.crud.net/imperio/remove-unneeded-where-whitespace/lib2/struct.WhereWhitespace.html).
cc `````````@jsha`````````
r? `````````@notriddle`````````
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rustdoc: Resugar async fn return type in `clean`, not `html`
This way it also happens for json output.
Fixes #101199
r? ``@GuillaumeGomez``
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This way it also happens for json output.
Fixes #101199
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Avoid cloning a collection only to iterate over it
`@rustbot` label: +C-cleanup
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rustdoc: remove empty extern_crates and type="text/javascript" on script
Like #101023, this removes an attribute with a default value.
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r=GuillaumeGomez
rustdoc: omit start/end tags for empty item description blocks
Related to #100952
This is definitely not a complete solution, but it does shrink keysyms/index.html on smithay from 620K to 516K.
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Like #101023, this removes an attribute with a default value.
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Fix doc cfg on reexports
Fixes #83428.
The problem was that the newly inlined item cfg propagation was not working since its real parent is different than its current one.
For the implementation, I decided to put it directly into `CfgPropagation` instead of inside `inline.rs` because I thought it would be simpler to maintain and to not forget if new kind of items are added if it's all done in one place.
r? `@notriddle`
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Related to #100952
This is definitely not a complete solution, but it does shrink
keysyms/index.html on smithay from 620K to 516K.
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Optimize `Wtf8Buf::into_string` for the case where it contains UTF-8.
Add a `is_known_utf8` flag to `Wtf8Buf`, which tracks whether the
string is known to contain UTF-8. This is efficiently computed in many
common situations, such as when a `Wtf8Buf` is constructed from a `String`
or `&str`, or with `Wtf8Buf::from_wide` which is already doing UTF-16
decoding and already checking for surrogates.
This makes `OsString::into_string` O(1) rather than O(N) on Windows in
common cases.
And, it eliminates the need to scan through the string for surrogates in
`Args::next` and `Vars::next`, because the strings are already being
translated with `Wtf8Buf::from_wide`.
Many things on Windows construct `OsString`s with `Wtf8Buf::from_wide`,
such as `DirEntry::file_name` and `fs::read_link`, so with this patch,
users of those functions can subsequently call `.into_string()` without
paying for an extra scan through the string for surrogates.
r? `@ghost`
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rustdoc: strategic boxing to reduce the size of ItemKind and Type
The `Type` change redesigns `QPath` to box the entire data structure instead of boxing `self_type` and the `trait_`.
This reduces the size of several `ItemKind` variants, leaving `Impl` as the biggest variant. The `ItemKind` change boxes that variant's payload.
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[rustdoc] Fix item info display
Fixes #100369.
The solution I came up with was simply to wrap the "text part" of the `item-info` into another span so that `flex` wouldn't mess with it.
Live demo is [here](https://rustdoc.crud.net/imperio/fix-item-info/foo/struct.ItemInfo.html).
r? ``@jsha``
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This reduces the size of Type.
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rustdoc: simplify highlight.rs
Split render_with_highlighting, which took many optional parameters, into three functions for specific purposes, which each take a smaller number of mostly required parameters.
Remove some plumbing to pass through an "edition" parameter, which was used solely to avoid highlighting some 2021 Edition keywords in non-2021 code.
I've tested a build of std docs before and after, and this does not change the generated HTML at all.
Followup from https://github.com/rust-lang/rust/pull/91264#discussion_r901151101
r? ```@GuillaumeGomez```
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Split render_with_highlighting, which took many optional parameters, into three
functions for specific purposes, which each take a smaller number of mostly
required parameters.
Remove some plumbing to pass through an "edition" parameter, which was used
solely to avoid highlighting some 2021 Edition keywords in non-2021 code.
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rustdoc: use a more compact encoding for implementors/trait.*.js
The exact amount that this reduces the size of an implementors file depends on whether most of the impls are synthetic or not. For `Send`, it reduces the file from 128K to 112K, while for `Clone` it went from 64K to 44K.
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This means we don't gain as much as we did from using single-quotes, since
serde_json can only produce double-quoted strings, but it's still a win.
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The exact amount that this reduces the size of an implementors file depends
on whether most of the impls are synthetic or not. For `Send`, it reduces
the file from 128K to 116K, while for `Clone` it went from 64K to 52K.
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rustdoc: use a more compact encoding for source-files.js
This reduces the compiler-doc file from 40K to 36K, a 10% reduction in size.
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This reduces the compiler-doc file from 40K to 36K, a 10% reduction in size.
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Attributes::from_ast function by splitting it in two
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Cleanup html whitespace
I realized while looking at the raw HTML that we generated some unwanted white space characters. This PR cleans up the one coming directly from rustdoc. I'll check from `pulldown-cmark` for the remaining ones.
Some numbers now: the difference is small, it goes from `63009` to `62859`. But multiplied by the number of files, it becomes quite interesting overall.
r? `@notriddle`
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This reduces ItemKind size from 224 bytes to 160 bytes.
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Add a clickable link to the layout section
The layout section (activated by `--show-type-layout`) is currently not linkable to (outside of chrome's link to text feature). This PR makes it linkable via `#layout`.
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Make some clean::Trait fields computation on demand
r? `@notriddle`
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