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move the Pin API into its own module for centralized documentation
This implements the change proposed by @withoutboats in #49150, as suggested by @RalfJung in the review of #53104,
along with the documentation that was originally in it, that was deemed more appropriate in module-level documentation.
r? @RalfJung
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fix for late-bound regions
Fix for https://github.com/rust-lang/rust/issues/53419
r? @nikomatsakis
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Rollup of 16 pull requests
Successful merges:
- #53311 (Window Mutex: Document that we properly initialize the SRWLock)
- #53503 (Discourage overuse of mem::forget)
- #53545 (Fix #50865: ICE on impl-trait returning functions reaching private items)
- #53559 (add macro check for lint)
- #53562 (Lament the invincibility of the Turbofish)
- #53563 (use String::new() instead of String::from(""), "".to_string(), "".to_owned() or "".into())
- #53592 (docs: minor stylistic changes to str/string docs)
- #53594 (Update RELEASES.md to include clippy-preview)
- #53600 (Fix a grammatical mistake in "expected generic arguments" errors)
- #53614 (update nomicon and book)
- #53617 (tidy: Stop requiring a license header)
- #53618 (Add missing fmt examples)
- #53636 (Prefer `.nth(n)` over `.skip(n).next()`.)
- #53644 (Use SmallVec for SmallCStr)
- #53664 (Remove unnecessary closure in rustc_mir/build/mod.rs)
- #53666 (Added rustc_codegen_llvm to compiler documentation.)
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docs: minor stylistic changes to str/string docs
std::string::String.repeat(): slightly rephrase to be more in-line with other descriptions.
add ticks around a few keywords in other descriptions.
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Fixes #53566.
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This partially reverts commit d5b6b95aef94169b5dbe4dbb1357d4bab1fc9800,
reversing changes made to 6b1ff19af36f7bbf1974579ec1b9bf2c8ccd595e.
Fixes #53529.
Cc: #53564.
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with other descriptions.
add ticks around a few keywords in other descriptions.
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Rollup of 17 pull requests
Successful merges:
- #53030 (Updated RELEASES.md for 1.29.0)
- #53104 (expand the documentation on the `Unpin` trait)
- #53213 (Stabilize IP associated constants)
- #53296 (When closure with no arguments was expected, suggest wrapping)
- #53329 (Replace usages of ptr::offset with ptr::{add,sub}.)
- #53363 (add individual docs to `core::num::NonZero*`)
- #53370 (Stabilize macro_vis_matcher)
- #53393 (Mark libserialize functions as inline)
- #53405 (restore the page title after escaping out of a search)
- #53452 (Change target triple used to check for lldb in build-manifest)
- #53462 (Document Box::into_raw returns non-null ptr)
- #53465 (Remove LinkMeta struct)
- #53492 (update lld submodule to include RISCV patch)
- #53496 (Fix typos found by codespell.)
- #53521 (syntax: Optimize some literal parsing)
- #53540 (Moved issue-53157.rs into src/test/ui/consts/const-eval/)
- #53551 (Avoid some Place clones.)
Failed merges:
r? @ghost
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Replace usages of ptr::offset with ptr::{add,sub}.
Rust provides these helper methods – so let's use them!
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Document Box::into_raw returns non-null ptr
Closes #52806.
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Change `Rc::inc_{weak,strong}` to better hint optimization to LLVM
As discussed in #13018, `Rc::inc_strong` and `Rc::inc_weak` are changed to allow compositions of `clone` and `drop` to be better optimized. Almost entirely as in [this comment](https://github.com/rust-lang/rust/issues/13018#issuecomment-408642184), except that `abort` on zero is added so that a `drop(t.clone())` does not produce a zero check followed by conditional deallocation.
This is different from #21418 in that it doesn't rely on `assume`, avoiding the prohibitive compilation slowdown.
[Before and after IR](https://gist.github.com/hermord/266e55451b7fe0bb8caa6e35d17c86e1).
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Non-naive implementation of `VecDeque.append`
Replaces the old, simple implementation with a more manual (and **unsafe** 😱) one. I've added 1 more test and verified that it covers all 6 code paths in the function.
This new implementation was about 60% faster than the old naive one when I tried benchmarking it.
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There are a few places where we mention the replacement character in the
docs, and it could be helpful for users to utilize the constant which is
available in the standard library, so let’s link to it!
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Rename Executor trait to Spawn
Renames the `Executor` trait to `Spawn` and the method on `Context` to `spawner`.
Note: Best only merge this after we've the alpha 3 announcement post ready.
r? @cramertj
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Switch to bootstrapping from 1.29 beta
r? @alexcrichton
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This avoids a redundant length check in some cases when calling
`Vec::truncate` or `Vec::clear`.
Fixes #51802
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Incorporate a stray test
`liballoc/repeat-generic-slice.rs` doesn't seem to be tested (I think it was intended to be placed in `run-pass`). This PR incorporates the test into `liballoc/tests`.
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Rollup of bare_trait_objects PRs
All deny attributes were moved into bootstrap so they can be disabled with a line of config.
Warnings for external tools are allowed and it's up to the tool's maintainer to keep it warnings free.
r? @Mark-Simulacrum
cc @ljedrz @kennytm
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