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Many of these have long since reached their stage of being obsolete, so this
commit starts the removal process for all of them. The unstable features that
were deprecated are:
* cmp_partial
* fs_time
* hash_default
* int_slice
* iter_min_max
* iter_reset_fuse
* iter_to_vec
* map_in_place
* move_from
* owned_ascii_ext
* page_size
* read_and_zero
* scan_state
* slice_chars
* slice_position_elem
* subslice_offset
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This fixes a couple of bugs visible on https://doc.rust-lang.org/nightly/std/marker/trait.Sync.html . For example:
* `impl<T> Sync for *const T` should read `impl<T> !Sync for *const T`
* `impl<T> !Sync for Weak<T>` should read `impl<T> !Sync for Weak<T> where T: ?Sized`
This does change a struct in librustdoc and it seems that almost everything there is marked public, so if librustdoc has stability guarantees that could be a problem. If it is, I'll find a way to rework the change to avoid modifying public structures.
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Blurs the document's background when the help dialogue is present,
making the contents of the dialogue stand out more.
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Some cases displayed negative impls as positive, and some were missing
where clauses. This factors all the impl formatting into one
function so the different cases can't get out of sync again.
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Yet another attempt to make the prose on the std crate page
clearer and more informative.
This does a lot of things: tightens up the opening, adds useful links
(including a link to the search bar), offers guidance on how to use
the docs, and expands the prelude docs as a useful newbie entrypoint.
r? @steveklabnik cc @aturon
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Fixes #26900
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The very first code fragment off every struct and trait documentation page generates wrong playground code. This pull request adjusts ```playpen.js``` to only create a link for real examples.
Documentation:
```rust
pub struct String {
// some fields omitted
}
```
Playground:
```rust
Struct std::String
[−]
[src]
```
r? @steveklabnik
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Avoids some code duplication and relies less on deprecated properties on `KeyboardEvent`. The code is still looking quite bad, but that’s primarily because interop in this area is a disaster zone.
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Sharpens the help dialogues edges by removing border-padding, which
matches better with the rest of the document.
Also increases somewhat the rounded edges of the key symbols to
make it clear they are symbols.
Also introduces closing apostrophes and ellipsis for search field
placeholder.
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The common pattern `iter::repeat(elt).take(n).collect::<Vec<_>>()` is
exactly equivalent to `vec![elt; n]`, do this replacement in the whole
tree.
(Actually, vec![] is smart enough to only call clone n - 1 times, while
the former solution would call clone n times, and this fact is
virtually irrelevant in practice.)
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Sharpens the help dialogues edges by removing border-padding, which
matches better with the rest of the document.
Also increases somewhat the rounded edges of the key symbols to
make it clear they are symbols.
Also introduces closing apostrophes and ellipsis for search field
placeholder.
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Fixes #26673
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non-english keyboard layouts. Fixes #26016 Fixes #16572
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Since the "Book" already avoids jQuery in its inline script tags and playpen.js is tiny, I figured I would convert it to plain old JS as well.
Side note: This is a separate issue, but another thing I noticed in my testing is that the "⇱" character doesn't display correctly in Chrome on Windows 7. (Firefox and IE work fine; other browsers not tested)
r? @steveklabnik
Edit: Github didn't like the "script" tag above
Edit 2: Actually, now IE seems to render "⇱" fine for me. Odd.
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Fixes #26360.
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It is still compatible with IE9+.
This removes the jQuery dependency from the "Book" entirely.
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With the latter is provided by the `From` conversion trait, the former is now completely redundant. Their code is identical. Let’s deprecate now and plan to remove in the next cycle. (It’s `#[unstable]`.)
r? @alexcrichton
CC @nagisa
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I had to use `impl<'a, V: Copy> Extend<(usize, &'a V)> for VecMap<V>` instead of `impl<'a, V: Copy> Extend<(&'a usize, &'a V)> for VecMap<V>` as that's what is needed for doing
```rust
let mut a = VecMap::new();
let b = VecMap::new();
b.insert(1, "foo");
a.extend(&b)
```
I can squash the commits after review.
r? @Gankro
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Closes #25976.
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rust-example-rendered should be a class, not an id.
fixes #26013
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Method where clauses are put indented on a new line, do the same tweak
to free functions, which makes it cleaner and easier to read.
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rustdoc: Associated type fixes
The first commit fixes a bug with "dud" items in the search index from
misrepresented `type` items in trait impl blocks.
For a trait *implementation* there are typedefs which are the types for
that particular trait and implementor. Skip these in the search index.
There were lots of dud items in the search index due to this (search for
Item, Iterator's associated type).
Add a boolean to clean::TypedefItem so that it tracks whether the it is
a type alias on its own, or if it's a `type` item in a trait impl.
The second commit fixes a bug that made signatures and where bounds
using associated types (if they were not on `Self`) incorrect.
The third commit fixes so that where clauses in type alias definititons
are shown.
Fixes #22442
Fixes #24417
Fixes #25769
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Yes, it's allowed. Example:
type MapFn<I, B> where I: Iterator = Map<I, fn(I::Item) -> B>;
Fixes #25769
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Functions such as `fn foo<I: Iterator>(x: I::Item)` would not
render correctly and displayed `I` instead of `I::Item`. Same thing
with `I::Item` appearing in where bounds.
This fixes the bug by using paths for generics.
Fixes #24417
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Fixes #24575
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This is a port of @eddyb's `const-fn` branch. I rebased it, tweaked a few things, and added tests as well as a feature gate. The set of tests is still pretty rudimentary, I'd appreciate suggestions on new tests to write. Also, a double-check that the feature-gate covers all necessary cases.
One question: currently, the feature-gate allows the *use* of const functions from stable code, just not the definition. This seems to fit our usual strategy, and implies that we might (perhaps) allow some constant functions in libstd someday, even before stabilizing const-fn, if we were willing to commit to the existence of const fns but found some details of their impl unsatisfactory.
r? @pnkfelix
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Closes #25167
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There are more possible optimizations left (cached length in loops) as
well as some possible bugs (shadowed variables) to fix. This is mostly
syntactic.
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- add feature gate
- add basic tests
- adjust parser to eliminate conflict between `const fn` and associated
constants
- allow `const fn` in traits/trait-impls, but forbid later in type check
- correct some merge conflicts
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For a trait *implementation* there are typedefs which are the types for
that particular trait and implementor. Skip these in the search index.
There were lots of dud items in the search index due to this (search for
Item, Iterator's associated type).
Add a boolean to clean::TypedefItem so that it tracks whether the it is
a type alias on its own, or if it's a `type` item in a trait impl.
Fixes #22442
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Fixes #24655
Margin for associated types was applied to type aliases (in return
value) by mistake.
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Rustdoc fixes for associated items
This is related to isssue #22442 and solves it partly.
This solves the search index links of associated types and constants,
so that they link to the trait page.
Also add an Associated Constants section if constants are present.
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