From bf90d4377f046b7809a50b8fa74be6848d4c1a86 Mon Sep 17 00:00:00 2001 From: Aaron Power Date: Fri, 22 Jun 2018 21:23:17 +0100 Subject: [PATCH 1/5] Updated RELEASES for 1.28.0 --- RELEASES.md | 138 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 138 insertions(+) diff --git a/RELEASES.md b/RELEASES.md index 068e9e7263e..1dee94b76ac 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -1,3 +1,141 @@ +Version 1.28.0 (2018-08-02) +=========================== + +Language +-------- +- [Stabilised the `#[repr(transparent)]` attribute.][51562] This attribute + allows a Rust newtype wrapper (`struct NewType(T);`) to be represented as + the inner type across Foreign Function Interface (FFI) boundaries. +- [The keywords `pure`, `sizeof`, `alignof`, and `offsetof` have been unreserved + and can now be used as identifiers.][51196] +- [Stabilised the `GlobalAlloc` trait and `#[global_allocator]` + attribute.][51241] This will allow users to specify a global allocator for + their program. +- [Unit test functions marked with the `#[test]` attribute can now return + `Result<(), E: Debug>` in addition to `()`.][51298] +- [Stabilised a `lifetime` specifier to `macro_rules!` allowing macros to easily + target lifetimes.][50385] + +Compiler +-------- +- [Stabilised the `s` and `z` optimisation levels.][50265] These optimisations + prioritise making smaller binary sizes. `z` is the same as `s` with the + exception that it does not vectorise loops, which typically results in an even + smaller binary. +- [Stabilised the short error format.][49546] Specified with + `--error-format=short` this option will provide a more compressed output of + rust error messages. +- [Added a lint warning when you have duplicated `macro_export`s.][50143] +- [Reduced the number of allocations in the macro parser.][50855] This can + improve compile times of macro heavy crates on average by 5%. + +Libraries +--------- +- [Implemented `Default` for `&mut str`.][51306] +- [Implemented `From` for all integer and unsigned number types.][50554] +- [Implemented `Extend` for `()`.][50234] +- [The `Debug` implementation of `time::Duration` should now be more easily + human readable.][50364] Previously a `Duration` of one second would printed as + `Duration { secs: 1, nanos: 0 }` will now be printed as `1s`. +- [Implemented `From<&String>` for `Cow`, `From<&Vec>` for `Cow<[T]>`, + `From>` for `CString`, `From, From, From<&CString>` + for `Cow`, `From, From, From<&OsString>` for + `Cow`, `From<&PathBuf>` for `Cow`, and `From>` + for `PathBuf`.][50170] +- [`DirEntry::metadata` now uses `fstatat` instead of `lstat` when + possible.][51050] This can provide up to a 40% speed increase. +- [Improved error messages when using `format!`.][50610] + +Stabilized APIs +--------------- +- [`Iterator::step_by`] +- [`Path::ancestors`] +- [`btree_map::Entry::or_default`] +- [`fmt::Alignment`] +- [`hash_map::Entry::or_default`] +- [`iter::repeat_with`] +- [`num::NonZeroU128`] +- [`num::NonZeroU16`] +- [`num::NonZeroU32`] +- [`num::NonZeroU64`] +- [`num::NonZeroU8`] +- [`ops::RangeBounds`] +- [`slice::SliceIndex`] +- [`slice::from_mut`] +- [`slice::from_ref`] +- [`{Any + Send + Sync}::downcast_mut`] +- [`{Any + Send + Sync}::downcast_ref`] +- [`{Any + Send + Sync}::is`] + +Cargo +----- +- [Cargo will now no longer allow you to publish crates with build scripts that + modify the `src` directory.][5584] The `src` directory in a crate should be + considered to be immutable. + +Misc +---- +- [Stabilised the `suggestion_applicability` field in the json output.][50486] + This will allow dev tools to check whether a code suggestion would apply + to them. + +Compatibility Notes +------------------- +- [Rust will no longer consider trait objects with duplicated constraints to + have implementations.][51276] For example the below code will now fail + to compile. + ```rust + trait Trait {} + + impl Trait + Send { + fn test(&self) { println!("one"); } //~ ERROR duplicate definitions with name `test` + } + + impl Trait + Send + Send { + fn test(&self) { println!("two"); } + } + ``` + +[49546]: https://github.com/rust-lang/rust/pull/49546/ +[50143]: https://github.com/rust-lang/rust/pull/50143/ +[50170]: https://github.com/rust-lang/rust/pull/50170/ +[50234]: https://github.com/rust-lang/rust/pull/50234/ +[50265]: https://github.com/rust-lang/rust/pull/50265/ +[50364]: https://github.com/rust-lang/rust/pull/50364/ +[50385]: https://github.com/rust-lang/rust/pull/50385/ +[50486]: https://github.com/rust-lang/rust/pull/50486/ +[50554]: https://github.com/rust-lang/rust/pull/50554/ +[50610]: https://github.com/rust-lang/rust/pull/50610/ +[50855]: https://github.com/rust-lang/rust/pull/50855/ +[51050]: https://github.com/rust-lang/rust/pull/51050/ +[51196]: https://github.com/rust-lang/rust/pull/51196/ +[51200]: https://github.com/rust-lang/rust/pull/51200/ +[51241]: https://github.com/rust-lang/rust/pull/51241/ +[51276]: https://github.com/rust-lang/rust/pull/51276/ +[51298]: https://github.com/rust-lang/rust/pull/51298/ +[51306]: https://github.com/rust-lang/rust/pull/51306/ +[51562]: https://github.com/rust-lang/rust/pull/51562/ +[5584]: https://github.com/rust-lang/cargo/pull/5584/ +[`Iterator::step_by`]: https://doc.rust-lang.org/std/iter/trait.Iterator.html#method.step_by +[`Path::ancestors`]: https://doc.rust-lang.org/std/path/struct.Path.html#method.ancestors +[`btree_map::Entry::or_default`]: https://doc.rust-lang.org/std/collections/btree_map/enum.Entry.html#method.or_default +[`fmt::Alignment`]: https://doc.rust-lang.org/std/fmt/enum.Alignment.html +[`hash_map::Entry::or_default`]: https://doc.rust-lang.org/std/collections/btree_map/enum.Entry.html#method.or_default +[`iter::repeat_with`]: https://doc.rust-lang.org/std/iter/fn.repeat_with.html +[`num::NonZeroU128`]: https://doc.rust-lang.org/std/num/struct.NonZeroU128.html +[`num::NonZeroU16`]: https://doc.rust-lang.org/std/num/struct.NonZeroU16.html +[`num::NonZeroU32`]: https://doc.rust-lang.org/std/num/struct.NonZeroU32.html +[`num::NonZeroU64`]: https://doc.rust-lang.org/std/num/struct.NonZeroU64.html +[`num::NonZeroU8`]: https://doc.rust-lang.org/std/num/struct.NonZeroU8.html +[`ops::RangeBounds`]: https://doc.rust-lang.org/std/ops/trait.RangeBounds.html +[`slice::SliceIndex`]: https://doc.rust-lang.org/std/slice/trait.SliceIndex.html +[`slice::from_mut`]: https://doc.rust-lang.org/std/slice/fn.from_mut.html +[`slice::from_ref`]: https://doc.rust-lang.org/std/slice/fn.from_ref.html +[`{Any + Send + Sync}::downcast_mut`]: https://doc.rust-lang.org/std/any/trait.Any.html#method.downcast_mut-2 +[`{Any + Send + Sync}::downcast_ref`]: https://doc.rust-lang.org/std/any/trait.Any.html#method.downcast_ref-2 +[`{Any + Send + Sync}::is`]: https://doc.rust-lang.org/std/any/trait.Any.html#method.is-2 + + Version 1.27.0 (2018-06-21) ========================== From b58047681bd9255905feff26a53f0279e3f533e3 Mon Sep 17 00:00:00 2001 From: Aaron Power Date: Fri, 22 Jun 2018 22:36:01 +0100 Subject: [PATCH 2/5] Update RELEASES.md --- RELEASES.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/RELEASES.md b/RELEASES.md index 1dee94b76ac..9118dcd3210 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -36,7 +36,7 @@ Libraries - [Implemented `Extend` for `()`.][50234] - [The `Debug` implementation of `time::Duration` should now be more easily human readable.][50364] Previously a `Duration` of one second would printed as - `Duration { secs: 1, nanos: 0 }` will now be printed as `1s`. + `Duration { secs: 1, nanos: 0 }` and will now be printed as `1s`. - [Implemented `From<&String>` for `Cow`, `From<&Vec>` for `Cow<[T]>`, `From>` for `CString`, `From, From, From<&CString>` for `Cow`, `From, From, From<&OsString>` for From ffc733fcef4e724524a705c7bc8c9e068fa3ca3a Mon Sep 17 00:00:00 2001 From: Aaron Power Date: Sat, 23 Jun 2018 10:45:46 +0100 Subject: [PATCH 3/5] Update RELEASES.md --- RELEASES.md | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/RELEASES.md b/RELEASES.md index 9118dcd3210..fe74e244623 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -42,6 +42,8 @@ Libraries for `Cow`, `From, From, From<&OsString>` for `Cow`, `From<&PathBuf>` for `Cow`, and `From>` for `PathBuf`.][50170] +- [Implemented `Shl` and `Shr` for `Wrapping` + and `Wrapping`.][50465] - [`DirEntry::metadata` now uses `fstatat` instead of `lstat` when possible.][51050] This can provide up to a 40% speed increase. - [Improved error messages when using `format!`.][50610] @@ -70,7 +72,7 @@ Stabilized APIs Cargo ----- - [Cargo will now no longer allow you to publish crates with build scripts that - modify the `src` directory.][5584] The `src` directory in a crate should be + modify the `src` directory.][cargo/5584] The `src` directory in a crate should be considered to be immutable. Misc @@ -103,6 +105,7 @@ Compatibility Notes [50265]: https://github.com/rust-lang/rust/pull/50265/ [50364]: https://github.com/rust-lang/rust/pull/50364/ [50385]: https://github.com/rust-lang/rust/pull/50385/ +[50465]: https://github.com/rust-lang/rust/pull/50465/ [50486]: https://github.com/rust-lang/rust/pull/50486/ [50554]: https://github.com/rust-lang/rust/pull/50554/ [50610]: https://github.com/rust-lang/rust/pull/50610/ @@ -115,7 +118,7 @@ Compatibility Notes [51298]: https://github.com/rust-lang/rust/pull/51298/ [51306]: https://github.com/rust-lang/rust/pull/51306/ [51562]: https://github.com/rust-lang/rust/pull/51562/ -[5584]: https://github.com/rust-lang/cargo/pull/5584/ +[cargo/5584]: https://github.com/rust-lang/cargo/pull/5584/ [`Iterator::step_by`]: https://doc.rust-lang.org/std/iter/trait.Iterator.html#method.step_by [`Path::ancestors`]: https://doc.rust-lang.org/std/path/struct.Path.html#method.ancestors [`btree_map::Entry::or_default`]: https://doc.rust-lang.org/std/collections/btree_map/enum.Entry.html#method.or_default From 3f31c389c491e6082ff850ae6873b3a5097d4d7f Mon Sep 17 00:00:00 2001 From: Aaron Power Date: Tue, 26 Jun 2018 13:41:32 +0100 Subject: [PATCH 4/5] Updated RELEASES --- RELEASES.md | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/RELEASES.md b/RELEASES.md index fe74e244623..4405b593b29 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -3,26 +3,26 @@ Version 1.28.0 (2018-08-02) Language -------- -- [Stabilised the `#[repr(transparent)]` attribute.][51562] This attribute +- [The `#[repr(transparent)]` attribute is now stable.][51562] This attribute allows a Rust newtype wrapper (`struct NewType(T);`) to be represented as the inner type across Foreign Function Interface (FFI) boundaries. - [The keywords `pure`, `sizeof`, `alignof`, and `offsetof` have been unreserved and can now be used as identifiers.][51196] -- [Stabilised the `GlobalAlloc` trait and `#[global_allocator]` - attribute.][51241] This will allow users to specify a global allocator for +- [The `GlobalAlloc` trait and `#[global_allocator]` attribute are now + stable.][51241] This will allow users to specify a global allocator for their program. - [Unit test functions marked with the `#[test]` attribute can now return `Result<(), E: Debug>` in addition to `()`.][51298] -- [Stabilised a `lifetime` specifier to `macro_rules!` allowing macros to easily - target lifetimes.][50385] +- [The `lifetime` specifier for `macro_rules!` is now stable.][50385] This + allows macros to easily target lifetimes. Compiler -------- -- [Stabilised the `s` and `z` optimisation levels.][50265] These optimisations +- [The `s` and `z` optimisation levels are now stable.][50265] These optimisations prioritise making smaller binary sizes. `z` is the same as `s` with the exception that it does not vectorise loops, which typically results in an even smaller binary. -- [Stabilised the short error format.][49546] Specified with +- [The short error format is now stable.][49546] Specified with `--error-format=short` this option will provide a more compressed output of rust error messages. - [Added a lint warning when you have duplicated `macro_export`s.][50143] @@ -77,9 +77,9 @@ Cargo Misc ---- -- [Stabilised the `suggestion_applicability` field in the json output.][50486] - This will allow dev tools to check whether a code suggestion would apply - to them. +- [The `suggestion_applicability` field in `rustc`'s json output is now + stable.][50486] This will allow dev tools to check whether a code suggestion + would apply to them. Compatibility Notes ------------------- @@ -328,7 +328,7 @@ Language - [Closures now implement `Copy` and/or `Clone` if all captured variables implement either or both traits.][49299] - [The inclusive range syntax e.g. `for x in 0..=10` is now stable.][47813] -- [Stablise `'_`. The underscore lifetime can be used anywhere where a +- [The `'_` lifetime is now stable. The underscore lifetime can be used anywhere where a lifetime can be elided.][49458] - [`impl Trait` is now stable allowing you to have abstract types in returns or in function parameters.][49255] e.g. `fn foo() -> impl Iterator` or @@ -529,7 +529,7 @@ Version 1.25.0 (2018-03-29) Language -------- -- [Stabilised `#[repr(align(x))]`.][47006] [RFC 1358] +- [The `#[repr(align(x))]` attribute is now stable.][47006] [RFC 1358] - [You can now use nested groups of imports.][47948] e.g. `use std::{fs::File, io::Read, path::{Path, PathBuf}};` - [You can now have `|` at the start of a match arm.][47947] e.g. From dab257f1932718b659564a242ee450016175d12c Mon Sep 17 00:00:00 2001 From: Aaron Power Date: Wed, 4 Jul 2018 15:56:18 +0100 Subject: [PATCH 5/5] Update RELEASES.md --- RELEASES.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/RELEASES.md b/RELEASES.md index 4405b593b29..e7887f7e5ec 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -56,6 +56,7 @@ Stabilized APIs - [`fmt::Alignment`] - [`hash_map::Entry::or_default`] - [`iter::repeat_with`] +- [`num::NonZeroUsize`] - [`num::NonZeroU128`] - [`num::NonZeroU16`] - [`num::NonZeroU32`] @@ -125,6 +126,7 @@ Compatibility Notes [`fmt::Alignment`]: https://doc.rust-lang.org/std/fmt/enum.Alignment.html [`hash_map::Entry::or_default`]: https://doc.rust-lang.org/std/collections/btree_map/enum.Entry.html#method.or_default [`iter::repeat_with`]: https://doc.rust-lang.org/std/iter/fn.repeat_with.html +[`num::NonZeroUsize`]: https://doc.rust-lang.org/std/num/struct.NonZeroUsize.html [`num::NonZeroU128`]: https://doc.rust-lang.org/std/num/struct.NonZeroU128.html [`num::NonZeroU16`]: https://doc.rust-lang.org/std/num/struct.NonZeroU16.html [`num::NonZeroU32`]: https://doc.rust-lang.org/std/num/struct.NonZeroU32.html