Android platforms when available.][81469]
- [`slice::IterMut<'_, T>` now implements `AsRef<[T]>`][82771]
- [Arrays of any length now implement `IntoIterator`.][84147]
- Currently call `.into_iter()` as a method on an array will
+ Currently calling `.into_iter()` as a method on an array will
return `impl Iterator<Item=&T>`, but this may change in a
future edition to change `Item` to `T`. Calling `IntoIterator::into_iter`
directly on arrays will provide `impl Iterator<Item=T>` as expected.
- [`Vec::extend_from_within`]
- [`array::from_mut`]
- [`array::from_ref`]
-- [`char::MAX`]
-- [`char::REPLACEMENT_CHARACTER`]
-- [`char::UNICODE_VERSION`]
-- [`char::decode_utf16`]
-- [`char::from_digit`]
-- [`char::from_u32_unchecked`]
-- [`char::from_u32`]
- [`cmp::max_by_key`]
- [`cmp::max_by`]
- [`cmp::min_by_key`]
Compatibility Notes
-------------------
- [Implement token-based handling of attributes during expansion][82608]
-- [`Ipv4::from_str` will now reject octal format IP addresses.][83652] The octal format
- can lead to confusion and potential security vulnerabilities and [is no longer recommended][ietf6943].
-
+- [`Ipv4::from_str` will now reject octal format IP addresses in addition
+ to rejecting hexadecimal IP addresses.][83652] The octal format can lead
+ to confusion and potential security vulnerabilities and [is no
+ longer recommended][ietf6943].
+- [The added `BITS` constant may conflict with external definitions.][85667]
+ In particular, this was known to be a problem in the `lexical-core` crate,
+ but they have published fixes for semantic versions 0.4 through 0.7. To
+ update this dependency alone, use `cargo update -p lexical-core`.
+- Incremental compilation remains off by default, unless one uses the `RUSTC_FORCE_INCREMENTAL=1` environment variable added in 1.52.1.
Internal Only
-------------
- [rustdoc: Only look at blanket impls in `get_blanket_impls`][83681]
- [Rework rustdoc const type][82873]
+[85667]: https://github.com/rust-lang/rust/pull/85667
[83386]: https://github.com/rust-lang/rust/pull/83386
[82771]: https://github.com/rust-lang/rust/pull/82771
[84147]: https://github.com/rust-lang/rust/pull/84147
[cargo/9298]: https://github.com/rust-lang/cargo/pull/9298
[cargo/9282]: https://github.com/rust-lang/cargo/pull/9282
[cargo/9392]: https://github.com/rust-lang/cargo/pull/9392
-[`char::MAX`]: https://doc.rust-lang.org/std/primitive.char.html#associatedconstant.MAX
-[`char::REPLACEMENT_CHARACTER`]: https://doc.rust-lang.org/std/primitive.char.html#associatedconstant.REPLACEMENT_CHARACTER
-[`char::UNICODE_VERSION`]: https://doc.rust-lang.org/std/primitive.char.html#associatedconstant.UNICODE_VERSION
-[`char::decode_utf16`]: https://doc.rust-lang.org/std/primitive.char.html#method.decode_utf16
-[`char::from_u32`]: https://doc.rust-lang.org/std/primitive.char.html#method.from_u32
-[`char::from_u32_unchecked`]: https://doc.rust-lang.org/std/primitive.char.html#method.from_u32_unchecked
-[`char::from_digit`]: https://doc.rust-lang.org/std/primitive.char.html#method.from_digit
[`AtomicBool::fetch_update`]: https://doc.rust-lang.org/std/sync/atomic/struct.AtomicBool.html#method.fetch_update
[`AtomicPtr::fetch_update`]: https://doc.rust-lang.org/std/sync/atomic/struct.AtomicPtr.html#method.fetch_update
[`BTreeMap::retain`]: https://doc.rust-lang.org/std/collections/struct.BTreeMap.html#method.retain
[`OsStr::to_ascii_uppercase`]: https://doc.rust-lang.org/std/ffi/struct.OsStr.html#method.to_ascii_uppercase
[`Peekable::peek_mut`]: https://doc.rust-lang.org/std/iter/struct.Peekable.html#method.peek_mut
[`Rc::decrement_strong_count`]: https://doc.rust-lang.org/std/rc/struct.Rc.html#method.increment_strong_count
-[`Rc::increment_strong_count`]: https://doc.rust-lang.org/std/rc/struct.Rc.html#method.increment_strong_count
+[`Rc::increment_strong_count`]: https://doc.rust-lang.org/std/rc/struct.Rc.html#method.increment_strong_count
[`Vec::extend_from_within`]: https://doc.rust-lang.org/beta/std/vec/struct.Vec.html#method.extend_from_within
[`array::from_mut`]: https://doc.rust-lang.org/beta/std/array/fn.from_mut.html
[`array::from_ref`]: https://doc.rust-lang.org/beta/std/array/fn.from_ref.html
- [Rustc now catches more cases of `pub_use_of_private_extern_crate`][80763]
- [Changes in how proc macros handle whitespace may lead to panics when used
with older `proc-macro-hack` versions. A `cargo update` should be sufficient to fix this in all cases.][84136]
+- [Turn `#[derive]` into a regular macro attribute][79078]
[84136]: https://github.com/rust-lang/rust/issues/84136
[80763]: https://github.com/rust-lang/rust/pull/80763
[78429]: https://github.com/rust-lang/rust/pull/78429
[82733]: https://github.com/rust-lang/rust/pull/82733
[82594]: https://github.com/rust-lang/rust/pull/82594
+[79078]: https://github.com/rust-lang/rust/pull/79078
[cargo/9181]: https://github.com/rust-lang/cargo/pull/9181
[`char::MAX`]: https://doc.rust-lang.org/std/primitive.char.html#associatedconstant.MAX
[`char::REPLACEMENT_CHARACTER`]: https://doc.rust-lang.org/std/primitive.char.html#associatedconstant.REPLACEMENT_CHARACTER
projects / rust.git / blobdiff