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committedOct 25, 2018
Auto merge of #55347 - pietroalbini:rollup, r=pietroalbini
Rollup of 22 pull requests Successful merges: - #53507 (Add doc for impl From for Waker) - #53931 (Gradually expanding libstd's keyword documentation) - #54965 (update tcp stream documentation) - #54977 (Accept `Option<Box<$t:ty>>` in macro argument) - #55138 (in which unused-parens suggestions heed what the user actually wrote) - #55173 (Suggest appropriate syntax on missing lifetime specifier in return type) - #55200 (Documents `From` implementations for `Stdio`) - #55245 (submodules: update clippy from 5afdf8b to b1d0343) - #55247 (Clarified code example in char primitive doc) - #55251 (Fix a typo in the documentation of RangeInclusive) - #55253 (only issue "variant of the expected type" suggestion for enums) - #55254 (Correct trailing ellipsis in name_from_pat) - #55269 (fix typos in various places) - #55282 (Remove redundant clone) - #55285 (Do some copy editing on the release notes) - #55291 (Update stdsimd submodule) - #55296 (Set RUST_BACKTRACE=0 for rustdoc-ui/failed-doctest-output.rs) - #55306 (Regression test for #54478.) - #55328 (Fix doc for new copysign functions) - #55340 (Operands no longer appear in places) - #55345 (Remove is_null) - #55348 (Update RELEASES.md after destabilization of non_modrs_mods) Failed merges: r? @ghost
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‎RELEASES.md

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@@ -4,34 +4,31 @@ Version 1.30.0 (2018-10-25)
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Language
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--------
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- [Procedural macros are now available.][52081] These kinds of macros allow for
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more powerful code generation, there is a [new chapter available][proc-macros]
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in Rust Programming Language book that goes further in depth.
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more powerful code generation. There is a [new chapter available][proc-macros]
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in the Rust Programming Language book that goes further in depth.
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- [You can now use keywords as identifiers using the raw identifiers
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syntax (`r#`).][53236] e.g. `let r#for = true;`
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syntax (`r#`),][53236] e.g. `let r#for = true;`
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- [Using anonymous parameters in traits is now deprecated with a warning and
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will be a hard error in the 2018 edition.][53272]
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- [You can now use `crate` in paths.][54404] This allows you to refer to the
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crate root in the path. e.g. `use crate::foo;` refers to `foo` in `src/lib.rs`.
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- [Using a external crate now no longer requires being prefixed with `::`.][54404]
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e.g. previously using a external crate in a module without a use statement
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required `let json = ::serde_json::from_str(foo);` can now be written
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crate root in the path, e.g. `use crate::foo;` refers to `foo` in `src/lib.rs`.
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- [Using a external crate no longer requires being prefixed with `::`.][54404]
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Previously, using a external crate in a module without a use statement
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required `let json = ::serde_json::from_str(foo);` but can now be written
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as `let json = serde_json::from_str(foo);`.
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- [You can now apply the `#[used]` attribute to static items to prevent the
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compiler from optimising them away even if they appear to be unused.][51363]
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compiler from optimising them away, even if they appear to be unused,][51363]
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e.g. `#[used] static FOO: u32 = 1;`
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- [You can now import and reexport macros from other crates with the `use`
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syntax.][50911] Macros exported with `#[macro_export]` are now placed into
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the root module of the crate. If your macro relies on calling other local
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macros it is recommended to export with the
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`#[macro_export(local_inner_macros)]` attribute so that users won't have to
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import those macros.
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- [`mod.rs` files are now optional.][54146] Previously if you had a `foo` module
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with a `bar` submodule, you would have `src/foo/mod.rs` and `src/foo/bar.rs`.
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Now you can have `src/foo.rs` and `src/foo/bar.rs` to achieve the same effect.
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macros, it is recommended to export with the
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`#[macro_export(local_inner_macros)]` attribute so users won't have to import
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those macros.
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- [You can now catch visibility keywords (e.g. `pub`, `pub(crate)`) in macros
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using the `vis` specifier.][53370]
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- [Non-macro attributes now allow all forms of literals not just
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strings.][53044] e.g. Previously you would write `#[attr("true")]` you can now
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- [Non-macro attributes now allow all forms of literals, not just
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strings.][53044] Previously, you would write `#[attr("true")]`, and you can now
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write `#[attr(true)]`.
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- [You can now specify a function to handle a panic in the Rust runtime with the
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`#[panic_handler]` attribute.][51366]
@@ -54,9 +51,9 @@ Stabilized APIs
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- [`Ipv6Addr::UNSPECIFIED`]
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- [`Iterator::find_map`]
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The following methods are a replacement methods for `trim_left`, `trim_right`,
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`trim_left_matches`, and `trim_right_matches`. Which will be deprecated
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in 1.33.0.
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The following methods are replacement methods for `trim_left`, `trim_right`,
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`trim_left_matches`, and `trim_right_matches`, which will be deprecated
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in 1.33.0:
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- [`str::trim_end_matches`]
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- [`str::trim_end`]
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- [`str::trim_start_matches`]
@@ -76,12 +73,12 @@ Misc
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----
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- [`rustdoc` allows you to specify what edition to treat your code as with the
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`--edition` option.][54057]
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- [`rustdoc` now has the `--color` (Specify whether to output color) and
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`--error-format` (Specify error format e.g. `json`) options.][53003]
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- [`rustdoc` now has the `--color` (specify whether to output color) and
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`--error-format` (specify error format, e.g. `json`) options.][53003]
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- [We now distribute a `rust-gdbgui` script that invokes `gdbgui` with Rust
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debug symbols.][53774]
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- [Attributes from Rust tools such as `rustfmt` or `clippy` are now
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available.][53459] e.g. `#[rustfmt::skip]` will skip formatting the next item.
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available,][53459] e.g. `#[rustfmt::skip]` will skip formatting the next item.
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[50911]: https://github.com/rust-lang/rust/pull/50911/
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[51363]: https://github.com/rust-lang/rust/pull/51363/
@@ -153,7 +150,7 @@ Compiler
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Libraries
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---------
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- [`Once::call_once` now no longer requires `Once` to be `'static`.][52239]
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- [`Once::call_once` no longer requires `Once` to be `'static`.][52239]
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- [`BuildHasherDefault` now implements `PartialEq` and `Eq`.][52402]
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- [`Box<CStr>`, `Box<OsStr>`, and `Box<Path>` now implement `Clone`.][51912]
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- [Implemented `PartialEq<&str>` for `OsString` and `PartialEq<OsString>`
@@ -169,10 +166,10 @@ Stabilized APIs
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Cargo
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-----
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- [Cargo can silently fix some bad lockfiles ][cargo/5831] You can use
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`--locked` to disable this behaviour.
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- [Cargo can silently fix some bad lockfiles.][cargo/5831] You can use
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`--locked` to disable this behavior.
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- [`cargo-install` will now allow you to cross compile an install
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using `--target`][cargo/5614]
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using `--target`.][cargo/5614]
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- [Added the `cargo-fix` subcommand to automatically move project code from
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2015 edition to 2018.][cargo/5723]
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- [`cargo doc` can now optionally document private types using the
@@ -184,15 +181,15 @@ Misc
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the specified level to that level.][52354] For example `--cap-lints warn`
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will demote `deny` and `forbid` lints to `warn`.
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- [`rustc` and `rustdoc` will now have the exit code of `1` if compilation
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fails, and `101` if there is a panic.][52197]
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fails and `101` if there is a panic.][52197]
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- [A preview of clippy has been made available through rustup.][51122]
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You can install the preview with `rustup component add clippy-preview`
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You can install the preview with `rustup component add clippy-preview`.
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Compatibility Notes
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-------------------
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- [`str::{slice_unchecked, slice_unchecked_mut}` are now deprecated.][51807]
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Use `str::get_unchecked(begin..end)` instead.
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- [`std::env::home_dir` is now deprecated for its unintuitive behaviour.][51656]
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- [`std::env::home_dir` is now deprecated for its unintuitive behavior.][51656]
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Consider using the `home_dir` function from
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https://crates.io/crates/dirs instead.
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- [`rustc` will no longer silently ignore invalid data in target spec.][52330]
@@ -432,7 +429,7 @@ Language
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be used as an identifier.
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- [The dyn syntax is now available.][49968] This syntax is equivalent to the
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bare `Trait` syntax, and should make it clearer when being used in tandem with
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`impl Trait`. Since it is equivalent to the following syntax:
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`impl Trait` because it is equivalent to the following syntax:
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`&Trait == &dyn Trait`, `&mut Trait == &mut dyn Trait`, and
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`Box<Trait> == Box<dyn Trait>`.
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- [Attributes on generic parameters such as types and lifetimes are
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a different directory than `target` for placing compilation artifacts.
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- [Cargo will be adding automatic target inference for binaries, benchmarks,
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examples, and tests in the Rust 2018 edition.][cargo/5335] If your project specifies
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specific targets e.g. using `[[bin]]` and have other binaries in locations
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specific targets, e.g. using `[[bin]]`, and have other binaries in locations
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where cargo would infer a binary, Cargo will produce a warning. You can
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disable this feature ahead of time by setting any of the following `autobins`,
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`autobenches`, `autoexamples`, `autotests` to false.
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disable this feature ahead of time by setting any of the following to false:
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`autobins`, `autobenches`, `autoexamples`, `autotests`.
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- [Cargo will now cache compiler information.][cargo/5359] This can be disabled by
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setting `CARGO_CACHE_RUSTC_INFO=0` in your environment.
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@@ -514,8 +511,8 @@ Compatibility Notes
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work.][49896] e.g. `::core::prelude::v1::StrExt::is_empty("")` will not
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compile, `"".is_empty()` will still compile.
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- [`Debug` output on `atomic::{AtomicBool, AtomicIsize, AtomicPtr, AtomicUsize}`
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will only print the inner type.][48553] e.g.
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`print!("{:?}", AtomicBool::new(true))` will print `true`
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will only print the inner type.][48553] E.g.
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`print!("{:?}", AtomicBool::new(true))` will print `true`,
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not `AtomicBool(true)`.
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- [The maximum number for `repr(align(N))` is now 2²⁹.][50378] Previously you
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could enter higher numbers but they were not supported by LLVM. Up to 512MB
@@ -578,7 +575,7 @@ Version 1.26.2 (2018-06-05)
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Compatibility Notes
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-------------------
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- [The borrow checker was fixed to avoid unsoundness when using match ergonomics][51117]
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- [The borrow checker was fixed to avoid unsoundness when using match ergonomics.][51117]
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[51117]: https://github.com/rust-lang/rust/issues/51117
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@@ -589,18 +586,18 @@ Version 1.26.1 (2018-05-29)
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Tools
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-----
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- [RLS now works on Windows][50646]
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- [Rustfmt stopped badly formatting text in some cases][rustfmt/2695]
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- [RLS now works on Windows.][50646]
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- [Rustfmt stopped badly formatting text in some cases.][rustfmt/2695]
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Compatibility Notes
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--------
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599596
- [`fn main() -> impl Trait` no longer works for non-Termination
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trait][50656]
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trait.][50656]
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This reverts an accidental stabilization.
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- [`NaN > NaN` no longer returns true in const-fn contexts][50812]
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- [Prohibit using turbofish for `impl Trait` in method arguments][50950]
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- [`NaN > NaN` no longer returns true in const-fn contexts.][50812]
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- [Prohibit using turbofish for `impl Trait` in method arguments.][50950]
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[50646]: https://github.com/rust-lang/rust/issues/50646
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[50656]: https://github.com/rust-lang/rust/pull/50656
@@ -616,18 +613,18 @@ Language
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- [Closures now implement `Copy` and/or `Clone` if all captured variables
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implement either or both traits.][49299]
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- [The inclusive range syntax e.g. `for x in 0..=10` is now stable.][47813]
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- [The `'_` lifetime is now stable. The underscore lifetime can be used anywhere where a
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- [The `'_` lifetime is now stable. The underscore lifetime can be used anywhere a
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lifetime can be elided.][49458]
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- [`impl Trait` is now stable allowing you to have abstract types in returns
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or in function parameters.][49255] e.g. `fn foo() -> impl Iterator<Item=u8>` or
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or in function parameters.][49255] E.g. `fn foo() -> impl Iterator<Item=u8>` or
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`fn open(path: impl AsRef<Path>)`.
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- [Pattern matching will now automatically apply dereferences.][49394]
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- [128-bit integers in the form of `u128` and `i128` are now stable.][49101]
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- [`main` can now return `Result<(), E: Debug>`][49162] in addition to `()`.
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- [A lot of operations are now available in a const context.][46882] E.g. You
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can now index into constant arrays, reference and dereference into constants,
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and use Tuple struct constructors.
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- [Fixed entry slice patterns are now stable.][48516] e.g.
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and use tuple struct constructors.
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- [Fixed entry slice patterns are now stable.][48516] E.g.
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```rust
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let points = [1, 2, 3, 4];
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match points {
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10521049
Compiler
10531050
--------
10541051
- [Enabled `TrapUnreachable` in LLVM which should mitigate the impact of
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undefined behaviour.][45920]
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undefined behavior.][45920]
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- [rustc now suggests renaming import if names clash.][45660]
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- [Display errors/warnings correctly when there are zero-width or
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wide characters.][45711]

‎src/Cargo.lock

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@@ -349,6 +349,7 @@ dependencies = [
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"itertools 0.7.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"lazy_static 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"regex 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"walkdir 2.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]

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