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More 1.2 relnotes

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Brian Anderson 2015-07-30 14:27:54 -07:00
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RELEASES.md
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@ -16,6 +16,12 @@ Highlights
jobs). It's not enabled by default, but will be "in the near jobs). It's not enabled by default, but will be "in the near
future". It can be activated with the `-C codegen-units=N` flag to future". It can be activated with the `-C codegen-units=N` flag to
`rustc`. `rustc`.
* This is the first release with [experimental support for linking
with the MSVC linker and lib C on Windows (instead of using the GNU
variants via MinGW)][win]. It is yet recommended only for the most
intrepid Rusticians.
* Benchmark compilations are showing a 30% improvement in
bootstrapping over 1.1.
Breaking Changes Breaking Changes
---------------- ----------------
@ -31,6 +37,10 @@ Breaking Changes
* [The `#[packed]` attribute is no longer silently accepted by the * [The `#[packed]` attribute is no longer silently accepted by the
compiler][packed]. This attribute did nothing and code that compiler][packed]. This attribute did nothing and code that
mentioned it likely did not work as intended. mentioned it likely did not work as intended.
* Associated type defaults are [now behind the
`associated_type_defaults` feature gate][ad]. In 1.1 associated type
defaults *did not work*, but could be mentioned syntactically. As
such this breakage has minimal impact.
Language Language
-------- --------
@ -46,12 +56,11 @@ Libraries
`LinkedList`, `VecDeque`, `EnumSet`, `BinaryHeap`, `VecMap`, `LinkedList`, `VecDeque`, `EnumSet`, `BinaryHeap`, `VecMap`,
`BTreeSet` and `BTreeMap`. [RFC][extend-rfc]. `BTreeSet` and `BTreeMap`. [RFC][extend-rfc].
* The [`iter::once`] function returns an iterator that yields a single * The [`iter::once`] function returns an iterator that yields a single
element. element, and [`iter::empty`] returns an iterator that yields no
* The [`iter::empty`] function returns an iterator that yields no
elements. elements.
* The [`matches`] and [`rmatches`] methods on `str` return iterators * The [`matches`] and [`rmatches`] methods on `str` return iterators
over substring matches. over substring matches.
* [`Cell`] and [`RefCell`] both implement [`Eq`]. * [`Cell`] and [`RefCell`] both implement `Eq`.
* A number of methods for wrapping arithmetic are added to the * A number of methods for wrapping arithmetic are added to the
integral types, [`wrapping_div`], [`wrapping_rem`], integral types, [`wrapping_div`], [`wrapping_rem`],
[`wrapping_neg`], [`wrapping_shl`], [`wrapping_shr`]. These are in [`wrapping_neg`], [`wrapping_shl`], [`wrapping_shr`]. These are in
@ -144,6 +153,8 @@ Misc
[dst]: https://github.com/rust-lang/rfcs/blob/master/text/0982-dst-coercion.md [dst]: https://github.com/rust-lang/rfcs/blob/master/text/0982-dst-coercion.md
[parcodegen]: https://github.com/rust-lang/rust/pull/26018 [parcodegen]: https://github.com/rust-lang/rust/pull/26018
[packed]: https://github.com/rust-lang/rust/pull/25541 [packed]: https://github.com/rust-lang/rust/pull/25541
[ad]: https://github.com/rust-lang/rust/pull/27382
[win]: https://github.com/rust-lang/rust/pull/25350
Version 1.1.0 (June 2015) Version 1.1.0 (June 2015)
========================= =========================