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Updated RELEASES.md for 1.35.0
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Aaron Power authored and jonas-schievink committed May 14, 2019
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Version 1.35.0 (2019-05-23)
==========================

Language
--------
- [`FnOnce`, `FnMut`, and the `Fn` traits are now implemented for `Box<FnOnce>`,
`Box<FnMut>`, and `Box<Fn>` respectively.][59500]
- [You can now coerce closures into unsafe function pointers.][59580] e.g.
```rust
unsafe fn call_unsafe(func: unsafe fn()) {
func()
}

pub fn main() {
unsafe { call_unsafe(|| {}); }
}
```


Compiler
--------
- [Added the `armv6-unknown-freebsd-gnueabihf` and
`armv7-unknown-freebsd-gnueabihf` targets.][58080]
- [Added the `wasm32-unknown-wasi` target.][59464]


Libraries
---------
- [`Thread` will now show its ID in `Debug` output.][59460]
- [`StdinLock`, `StdoutLock`, and `StderrLock` now implement `AsRawFd`.][59512]
- [`alloc::System` now implements `Default`.][59451]
- [Expanded `Debug` output (`{:#?}`) for structs now has a trailing comma on the
last field.][59076]
- [`char::{ToLowercase, ToUppercase}` now
implement `ExactSizeIterator`.][58778]
- [All `NonZero` numeric types now implement `FromStr`.][58717]
- [Removed the `Read` trait bounds
on the `BufReader::{get_ref, get_mut, into_inner}` methods.][58423]
- [You can now call the `dbg!` macro without any parameters to print the file
and line where it is called.][57847]
- [In place ASCII case conversions are now up to 4× faster.][59283]
e.g. `str::make_ascii_lowercase`
- [`hash_map::{OccupiedEntry, VacantEntry}` now implement `Sync`
and `Send`.][58369]

Stabilized APIs
---------------
- [`f32::copysign`]
- [`f64::copysign`]
- [`RefCell::replace_with`]
- [`RefCell::map_split`]
- [`ptr::hash`]
- [`Range::contains`]
- [`RangeFrom::contains`]
- [`RangeTo::contains`]
- [`RangeInclusive::contains`]
- [`RangeToInclusive::contains`]
- [`Option::copied`]

Cargo
-----
- [You can now set `cargo:rustc-cdylib-link-arg` at build time to pass custom
linker arguments when building a `cdylib`.][cargo/6298] Its usage is highly
platform specific.

Misc
----
- [The Rust toolchain is now available natively for musl based distros.][58575]

[59460]: https://github.com/rust-lang/rust/pull/59460/
[59464]: https://github.com/rust-lang/rust/pull/59464/
[59500]: https://github.com/rust-lang/rust/pull/59500/
[59512]: https://github.com/rust-lang/rust/pull/59512/
[59580]: https://github.com/rust-lang/rust/pull/59580/
[59283]: https://github.com/rust-lang/rust/pull/59283/
[59451]: https://github.com/rust-lang/rust/pull/59451/
[59076]: https://github.com/rust-lang/rust/pull/59076/
[58778]: https://github.com/rust-lang/rust/pull/58778/
[58717]: https://github.com/rust-lang/rust/pull/58717/
[58369]: https://github.com/rust-lang/rust/pull/58369/
[58423]: https://github.com/rust-lang/rust/pull/58423/
[58080]: https://github.com/rust-lang/rust/pull/58080/
[57847]: https://github.com/rust-lang/rust/pull/57847/
[58575]: https://github.com/rust-lang/rust/pull/58575
[cargo/6298]: https://github.com/rust-lang/cargo/pull/6298/
[`f32::copysign`]: https://doc.rust-lang.org/stable/std/primitive.f32.html#method.copysign
[`f64::copysign`]: https://doc.rust-lang.org/stable/std/primitive.f64.html#method.copysign
[`RefCell::replace_with`]: https://doc.rust-lang.org/stable/std/cell/struct.RefCell.html#method.replace_with
[`RefCell::map_split`]: https://doc.rust-lang.org/stable/std/cell/struct.RefCell.html#method.map_split
[`ptr::hash`]: https://doc.rust-lang.org/stable/std/ptr/fn.hash.html
[`Range::contains`]: https://doc.rust-lang.org/std/ops/struct.Range.html#method.contains
[`RangeFrom::contains`]: https://doc.rust-lang.org/std/ops/struct.RangeFrom.html#method.contains
[`RangeTo::contains`]: https://doc.rust-lang.org/std/ops/struct.RangeTo.html#method.contains
[`RangeInclusive::contains`]: https://doc.rust-lang.org/std/ops/struct.RangeInclusive.html#method.contains
[`RangeToInclusive::contains`]: https://doc.rust-lang.org/std/ops/struct.RangeToInclusive.html#method.contains
[`Option::copied`]: https://doc.rust-lang.org/std/option/enum.Option.html#method.copied

Version 1.34.2 (2019-05-14)
===========================

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