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Updated RELEASES.md for 1.36.0
Co-Authored-By: Taiki Endo <te316e89@gmail.com> Co-Authored-By: Jonas Schievink <jonasschievink@gmail.com> Co-Authored-By: Torbjørn Birch Moltu <t.b.moltu@lyse.net>
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Erin Power
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RELEASES.md
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RELEASES.md
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Version 1.36.0 (2019-07-04)
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==========================
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Language
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--------
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- [Non-Lexical Lifetimes are now enabled on the 2015 edition.][59114]
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- [The order of traits in trait objects no longer affects the semantics of that
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object.][59445] e.g. `dyn Send + fmt::Debug` is now equivalent to
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`dyn fmt::Debug + Send`, where this was previously not the case.
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Libraries
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---------
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- [`HashMap`'s implementation has been replaced with `hashbrown::HashMap` implementation.][58623]
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- [`TryFromSliceError` now implements `From<Infallible>`.][60318]
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- [`mem::needs_drop` is now available as a const fn.][60364]
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- [`alloc::Layout::from_size_align_unchecked` is now available as a const fn.][60370]
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- [`String` now implements `BorrowMut<str>`.][60404]
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- [`io::Cursor` now implements `Default`.][60234]
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- [Both `NonNull::{dangling, cast}` are now const fns.][60244]
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- [The `alloc` crate is now stable.][59675] `alloc` allows you to use a subset
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of `std` (e.g. `Vec`, `Box`, `Arc`) in `#![no_std]` environments if the
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environment has access to heap memory allocation.
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- [`String` now implements `From<&String>`.][59825]
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- [You can now pass multiple arguments to the `dbg!` macro.][59826] `dbg!` will
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return a tuple of each argument when there is multiple arguments.
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- [`Result::{is_err, is_ok}` are now `#[must_use]` and will produce a warning if
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not used.][59648]
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Stabilized APIs
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---------------
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- [`VecDeque::rotate_left`]
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- [`VecDeque::rotate_right`]
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- [`Iterator::copied`]
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- [`io::IoSlice`]
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- [`io::IoSliceMut`]
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- [`Read::read_vectored`]
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- [`Write::write_vectored`]
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- [`str::as_mut_ptr`]
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- [`mem::MaybeUninit`]
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- [`pointer::align_offset`]
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- [`future::Future`]
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- [`task::Context`]
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- [`task::RawWaker`]
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- [`task::RawWakerVTable`]
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- [`task::Waker`]
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- [`task::Poll`]
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Cargo
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-----
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- [Cargo will now produce an error if you attempt to use the name of a required dependency as a feature.][cargo/6860]
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- [You can now pass the `--offline` flag to run cargo without accessing the network.][cargo/6934]
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You can find further change's in [Cargo's 1.36.0 release notes][cargo-1-36-0].
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Clippy
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------
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There have been numerous additions and fixes to clippy, see [Clippy's 1.36.0 release notes][clippy-1-36-0] for more details.
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Misc
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----
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Compatibility Notes
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-------------------
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- With the stabilisation of `mem::MaybeUninit`, `mem::uninitialized` use is no
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longer recommended, and will be deprecated in 1.38.0.
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[60318]: https://github.com/rust-lang/rust/pull/60318/
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[60364]: https://github.com/rust-lang/rust/pull/60364/
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[60370]: https://github.com/rust-lang/rust/pull/60370/
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[60404]: https://github.com/rust-lang/rust/pull/60404/
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[60234]: https://github.com/rust-lang/rust/pull/60234/
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[60244]: https://github.com/rust-lang/rust/pull/60244/
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[58623]: https://github.com/rust-lang/rust/pull/58623/
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[59648]: https://github.com/rust-lang/rust/pull/59648/
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[59675]: https://github.com/rust-lang/rust/pull/59675/
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[59825]: https://github.com/rust-lang/rust/pull/59825/
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[59826]: https://github.com/rust-lang/rust/pull/59826/
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[59445]: https://github.com/rust-lang/rust/pull/59445/
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[59114]: https://github.com/rust-lang/rust/pull/59114/
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[cargo/6860]: https://github.com/rust-lang/cargo/pull/6860/
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[cargo/6934]: https://github.com/rust-lang/cargo/pull/6934/
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[`VecDeque::rotate_left`]: https://doc.rust-lang.org/std/collections/struct.VecDeque.html#method.rotate_left
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[`VecDeque::rotate_right`]: https://doc.rust-lang.org/std/collections/struct.VecDeque.html#method.rotate_right
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[`Iterator::copied`]: https://doc.rust-lang.org/std/iter/trait.Iterator.html#tymethod.copied
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[`io::IoSlice`]: https://doc.rust-lang.org/std/io/struct.IoSlice.html
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[`io::IoSliceMut`]: https://doc.rust-lang.org/std/io/struct.IoSliceMut.html
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[`Read::read_vectored`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_vectored
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[`Write::write_vectored`]: https://doc.rust-lang.org/std/io/trait.Write.html#method.write_vectored
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[`str::as_mut_ptr`]: https://doc.rust-lang.org/std/primitive.str.html#method.as_mut_ptr
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[`mem::MaybeUninit`]: https://doc.rust-lang.org/std/mem/union.MaybeUninit.html
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[`pointer::align_offset`]: https://doc.rust-lang.org/std/primitive.pointer.html#method.align_offset
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[`future::Future`]: https://doc.rust-lang.org/std/future/trait.Future.html
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[`task::Context`]: https://doc.rust-lang.org/beta/std/task/struct.Context.html
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[`task::RawWaker`]: https://doc.rust-lang.org/beta/std/task/struct.RawWaker.html
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[`task::RawWakerVTable`]: https://doc.rust-lang.org/beta/std/task/struct.RawWakerVTable.html
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[`task::Waker`]: https://doc.rust-lang.org/beta/std/task/struct.Waker.html
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[`task::Poll`]: https://doc.rust-lang.org/beta/std/task/enum.Poll.html
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[clippy-1-36-0]: https://github.com/rust-lang/rust-clippy/blob/master/CHANGELOG.md#rust-136
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[cargo-1-36-0]: https://github.com/rust-lang/cargo/blob/master/CHANGELOG.md#cargo-136-2019-07-04
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Version 1.35.0 (2019-05-23)
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==========================
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@ -62,7 +163,7 @@ Cargo
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- [You can now set `cargo:rustc-cdylib-link-arg` at build time to pass custom
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linker arguments when building a `cdylib`.][cargo/6298] Its usage is highly
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platform specific.
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Misc
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----
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- [The Rust toolchain is now available natively for musl based distros.][58575]
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