X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=RELEASES.md;h=4cda02c5c2ebed35030a79de4d68abca20ffac5b;hb=26b4cb48484382032522384318e70ceb0fbc4a41;hp=841467b69c9866438db0f012fa791e5c4ae89362;hpb=2cfd6444a7fb4bd6acef2b97ba53059adc0500a6;p=rust.git diff --git a/RELEASES.md b/RELEASES.md index 841467b69c9..4cda02c5c2e 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -4,10 +4,10 @@ Version 1.33.0 (2019-02-28) Language -------- - [You can now use the `cfg(target_vendor)` attribute.][57465] E.g. - `#[cfg(target_vendor="linux")] fn main() { println!("Hello Linux!"); }` + `#[cfg(target_vendor="apple")] fn main() { println!("Hello Apple!"); }` - [Integer patterns such as in a match expression can now be exhaustive.][56362] E.g. You can have match statement on a `u8` that covers `0..=255` and - you would no longer be required to have a `_ => unreachable!()` case. + you would no longer be required to have a `_ => unreachable!()` case. - [You can now have multiple patterns in `if let` and `while let` expressions.][57532] You can do this with the same syntax as a `match` expression. E.g. @@ -51,8 +51,7 @@ Language // Allowed as there is only one `Read` in the module. pub trait Read {} ``` -- [`extern` functions will now abort by default when panicking.][55982] - This was previously undefined behaviour. +- [You may now use `Rc`, `Arc`, and `Pin` as method receivers][56805]. Compiler -------- @@ -109,27 +108,30 @@ Compatibility Notes are now deprecated in the standard library, and their usage will now produce a warning. Please use the `str::{trim_start, trim_end, trim_start_matches, trim_end_matches}` methods instead. +- The `Error::cause` method has been deprecated in favor of `Error::source` which supports + downcasting. -[57615]: https://github.com/rust-lang/rust/pull/57615/ -[57465]: https://github.com/rust-lang/rust/pull/57465/ -[57532]: https://github.com/rust-lang/rust/pull/57532/ -[57535]: https://github.com/rust-lang/rust/pull/57535/ -[57566]: https://github.com/rust-lang/rust/pull/57566/ +[55982]: https://github.com/rust-lang/rust/pull/55982/ +[56303]: https://github.com/rust-lang/rust/pull/56303/ +[56351]: https://github.com/rust-lang/rust/pull/56351/ +[56362]: https://github.com/rust-lang/rust/pull/56362 +[56642]: https://github.com/rust-lang/rust/pull/56642/ +[56769]: https://github.com/rust-lang/rust/pull/56769/ +[56805]: https://github.com/rust-lang/rust/pull/56805 +[56947]: https://github.com/rust-lang/rust/pull/56947/ +[57049]: https://github.com/rust-lang/rust/pull/57049/ +[57067]: https://github.com/rust-lang/rust/pull/57067/ +[57105]: https://github.com/rust-lang/rust/pull/57105 [57130]: https://github.com/rust-lang/rust/pull/57130/ [57167]: https://github.com/rust-lang/rust/pull/57167/ [57175]: https://github.com/rust-lang/rust/pull/57175/ [57234]: https://github.com/rust-lang/rust/pull/57234/ [57332]: https://github.com/rust-lang/rust/pull/57332/ -[56947]: https://github.com/rust-lang/rust/pull/56947/ -[57049]: https://github.com/rust-lang/rust/pull/57049/ -[57067]: https://github.com/rust-lang/rust/pull/57067/ -[56769]: https://github.com/rust-lang/rust/pull/56769/ -[56642]: https://github.com/rust-lang/rust/pull/56642/ -[56303]: https://github.com/rust-lang/rust/pull/56303/ -[56351]: https://github.com/rust-lang/rust/pull/56351/ -[55982]: https://github.com/rust-lang/rust/pull/55982/ -[56362]: https://github.com/rust-lang/rust/pull/56362 -[57105]: https://github.com/rust-lang/rust/pull/57105 +[57465]: https://github.com/rust-lang/rust/pull/57465/ +[57532]: https://github.com/rust-lang/rust/pull/57532/ +[57535]: https://github.com/rust-lang/rust/pull/57535/ +[57566]: https://github.com/rust-lang/rust/pull/57566/ +[57615]: https://github.com/rust-lang/rust/pull/57615/ [cargo/6484]: https://github.com/rust-lang/cargo/pull/6484/ [`unix::FileExt::read_exact_at`]: https://doc.rust-lang.org/std/os/unix/fs/trait.FileExt.html#method.read_exact_at [`unix::FileExt::write_all_at`]: https://doc.rust-lang.org/std/os/unix/fs/trait.FileExt.html#method.write_all_at @@ -170,7 +172,7 @@ Language - [You can now match against literals in macros with the `literal` specifier.][56072] This will match against a literal of any type. E.g. `1`, `'A'`, `"Hello World"` -- [Self can now be used as a constructor and pattern for unit and tuple structs.][56365] E.g. +- [Self can now be used as a constructor and pattern for unit and tuple structs.][56365] E.g. ```rust struct Point(i32, i32); @@ -460,7 +462,7 @@ Version 1.31.0 (2018-12-06) Language -------- -- 🎉 [This version marks the release of the 2018 edition of Rust.][54057] 🎉 +- 🎉 [This version marks the release of the 2018 edition of Rust.][54057] 🎉 - [New lifetime elision rules now allow for eliding lifetimes in functions and impl headers.][54778] E.g. `impl<'a> Reader for BufReader<'a> {}` can now be `impl Reader for BufReader<'_> {}`. Lifetimes are still required to be defined