diff --git a/RELEASES.md b/RELEASES.md index f8679431339..9a8eb80aedf 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -1,3 +1,156 @@ +Version 1.6.0 (2016-01-21) +========================== + +Language +-------- + +* The `#![no_std]` attribute causes a crate to not be linked to the + standard library, but only the [core library][1.6co], as described + in [RFC 1184]. The core library defines common types and traits but + has no platform dependencies whatsoever, and is the basis for Rust + software in environments that cannot support a full port of the + standard library, such as operating systems. Most of the core + library is now stable. + +Libraries +--------- + +* Stabilized APIs: + [`Read::read_exact`], [`ErrorKind::UnexpectedEof`] (renamed from + `UnexpectedEOF`), [`fs::DirBuilder`], [`fs::DirBuilder::new`], + [`fs::DirBuilder::recursive`], [`fs::DirBuilder::create`], + [`os::unix::fs::DirBuilderExt`], + [`os::unix::fs::DirBuilderExt::mode`], [`vec::Drain`], + [`vec::Vec::drain`], [`string::Drain`], [`string::String::drain`], + [`vec_deque::Drain`], [`vec_deque::VecDeque::drain`], + [`collections::hash_map::Drain`], + [`collections::hash_map::HashMap::drain`], + [`collections::hash_set::Drain`], + [`collections::hash_set::HashSet::drain`], + [`collections::binary_heap::Drain`], + [`collections::binary_heap::BinaryHeap::drain`], + [`Vec::extend_from_slice`] (renamed from `push_all`), + [`Mutex::get_mut`], [`Mutex::into_inner`], [`RwLock::get_mut`], + [`RwLock::into_inner`], [`Iterator::min_by_key`] (renamed from + `min_by`), [`Iterator::max_by_key`] (renamed from `max_by`). +* The [core library][1.6co] is stable, as are most of its APIs. +* [The `assert_eq!` macro supports arguments that don't implement + `Sized`][1.6ae], such as arrays. In this way it behaves more like + `assert!`. +* Several timer functions that take duration in milliseconds [are + deprecated in favor of those that take `Duration`][1.6ms]. These + include `Condvar::wait_timeout_ms`, `thread::sleep_ms`, and + `thread::park_timeout_ms`. +* The algorithm by which `Vec` reserves additional elements was + [tweaked to not allocate excessive space][1.6a] while still growing + exponentially. +* `From` conversions are [implemented from integers to floats][1.6f] + in cases where the conversion is lossless. Thus they are not + implemented for 32-bit ints to `f32`, nor for 64-bit ints to `f32` + or `f64`. They are also not implemented for `isize` and `usize` + because the implementations would be platform-specific. `From` is + also implemented from `f32` to `f64`. +* `From<&Path>` and `From<PathBuf>` are implemented for `Cow<Path>`. +* `From<T>` is implemented for `Box<T>`, `Rc<T>` and `Arc<T>`. +* `IntoIterator` is implemented for `&PathBuf` and `&Path`. +* [`BinaryHeap` was refactored][1.6bh] for modest performance + improvements. +* Sorting slices that are already sorted [is 50% faster in some + cases][1.6s]. + +Cargo +----- + +* Cargo will look in `$CARGO_HOME/bin` for subcommands [by default][1.6c]. +* Cargo build scripts can specify their dependencies by emitting the + [`rerun-if-changed`][1.6rr] key. +* crates.io will reject publication of crates with dependencies that + have a wildcard version constraint. Crates with wildcard + dependencies were seen to cause a variety of problems, as described + in [RFC 1241]. Since 1.5 publication of such crates has emitted a + warning. +* `cargo clean` [accepts a `--release` flag][1.6cc] to clean the + release folder. A variety of artifacts that Cargo failed to clean + are now correctly deleted. + +Misc +---- + +* The `unreachable_code` lint [warns when a function call's argument + diverges][1.6dv]. +* The parser indicates [failures that may be caused by + confusingly-similar Unicode characters][1.6uc] +* Certain macro errors [are reported at definition time][1.6m], not + expansion. + +Compatibility Notes +------------------- + +* The compiler no longer makes use of the [`RUST_PATH`][1.6rp] + environment variable when locating crates. This was a pre-cargo + feature for integrating with the package manager that was + accidentally never removed. +* [A number of bugs were fixed in the privacy checker][1.6p] that + could cause previously-accepted code to break. +* [Modules and unit/tuple structs may not share the same name][1.6ts]. +* [Bugs in pattern matching unit structs were fixed][1.6us]. The tuple + struct pattern syntax (`Foo(..)`) can no longer be used to match + unit structs. This is a warning now, but will become an error in + future releases. Patterns that share the same name as a const are + now an error. +* A bug was fixed that causes [rustc not to apply default type + parameters][1.6xc] when resolving certain method implementations of + traits defined in other crates. + +[1.6a]: https://github.com/rust-lang/rust/pull/29454 +[1.6ae]: https://github.com/rust-lang/rust/pull/29770 +[1.6bh]: https://github.com/rust-lang/rust/pull/29811 +[1.6c]: https://github.com/rust-lang/cargo/pull/2192 +[1.6cc]: https://github.com/rust-lang/cargo/pull/2131 +[1.6co]: http://doc.rust-lang.org/beta/core/index.html +[1.6dv]: https://github.com/rust-lang/rust/pull/30000 +[1.6f]: https://github.com/rust-lang/rust/pull/29129 +[1.6m]: https://github.com/rust-lang/rust/pull/29828 +[1.6ms]: https://github.com/rust-lang/rust/pull/29604 +[1.6p]: https://github.com/rust-lang/rust/pull/29726 +[1.6rp]: https://github.com/rust-lang/rust/pull/30034 +[1.6rr]: https://github.com/rust-lang/cargo/pull/2134 +[1.6s]: https://github.com/rust-lang/rust/pull/29675 +[1.6ts]: https://github.com/rust-lang/rust/issues/21546 +[1.6uc]: https://github.com/rust-lang/rust/pull/29837 +[1.6us]: https://github.com/rust-lang/rust/pull/29383 +[1.6xc]: https://github.com/rust-lang/rust/issues/30123 +[RFC 1184]: https://github.com/rust-lang/rfcs/blob/master/text/1184-stabilize-no_std.md +[RFC 1241]: https://github.com/rust-lang/rfcs/blob/master/text/1241-no-wildcard-deps.md +[`ErrorKind::UnexpectedEof`]: http://doc.rust-lang.org/nightly/std/io/enum.ErrorKind.html#variant.UnexpectedEof +[`Iterator::max_by_key`]: http://doc.rust-lang.org/nightly/std/iter/trait.Iterator.html#method.max_by_key +[`Iterator::min_by_key`]: http://doc.rust-lang.org/nightly/std/iter/trait.Iterator.html#method.min_by_key +[`Mutex::get_mut`]: http://doc.rust-lang.org/nightly/std/sync/struct.Mutex.html#method.get_mut +[`Mutex::into_inner`]: http://doc.rust-lang.org/nightly/std/sync/struct.Mutex.html#method.into_inner +[`Read::read_exact`]: http://doc.rust-lang.org/nightly/std/io/trait.Read.html#method.read_exact +[`RwLock::get_mut`]: http://doc.rust-lang.org/nightly/std/sync/struct.RwLock.html#method.get_mut +[`RwLock::into_inner`]: http://doc.rust-lang.org/nightly/std/sync/struct.RwLock.html#method.into_inner +[`Vec::extend_from_slice`]: http://doc.rust-lang.org/nightly/collections/vec/struct.Vec.html#method.extend_from_slice +[`collections::binary_heap::BinaryHeap::drain`]: http://doc.rust-lang.org/nightly/std/collections/binary_heap/struct.BinaryHeap.html#method.drain +[`collections::binary_heap::Drain`]: http://doc.rust-lang.org/nightly/std/collections/binary_heap/struct.Drain.html +[`collections::hash_map::Drain`]: http://doc.rust-lang.org/nightly/std/collections/hash_map/struct.Drain.html +[`collections::hash_map::HashMap::drain`]: http://doc.rust-lang.org/nightly/std/collections/hash_map/struct.HashMap.html#method.drain +[`collections::hash_set::Drain`]: http://doc.rust-lang.org/nightly/std/collections/hash_set/struct.Drain.html +[`collections::hash_set::HashSet::drain`]: http://doc.rust-lang.org/nightly/std/collections/hash_set/struct.HashSet.html#method.drain +[`fs::DirBuilder::create`]: http://doc.rust-lang.org/nightly/std/fs/struct.DirBuilder.html#method.create +[`fs::DirBuilder::new`]: http://doc.rust-lang.org/nightly/std/fs/struct.DirBuilder.html#method.new +[`fs::DirBuilder::recursive`]: http://doc.rust-lang.org/nightly/std/fs/struct.DirBuilder.html#method.recursive +[`fs::DirBuilder`]: http://doc.rust-lang.org/nightly/std/fs/struct.DirBuilder.html +[`os::unix::fs::DirBuilderExt::mode`]: http://doc.rust-lang.org/nightly/std/os/unix/fs/trait.DirBuilderExt.html#tymethod.mode +[`os::unix::fs::DirBuilderExt`]: http://doc.rust-lang.org/nightly/std/os/unix/fs/trait.DirBuilderExt.html +[`string::Drain`]: http://doc.rust-lang.org/nightly/std/string/struct.Drain.html +[`string::String::drain`]: http://doc.rust-lang.org/nightly/std/string/struct.String.html#method.drain +[`vec::Drain`]: http://doc.rust-lang.org/nightly/std/vec/struct.Drain.html +[`vec::Vec::drain`]: http://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.drain +[`vec_deque::Drain`]: http://doc.rust-lang.org/nightly/std/collections/vec_deque/struct.Drain.html +[`vec_deque::VecDeque::drain`]: http://doc.rust-lang.org/nightly/std/collections/vec_deque/struct.VecDeque.html#method.drain + + Version 1.5.0 (2015-12-10) ==========================