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| 1 | +Version 1.54.0 (2021-06-29) |
| 2 | +============================ |
| 3 | + |
| 4 | +Language |
| 5 | +----------------------- |
| 6 | + |
| 7 | +- [You can now use macros for values in key-value attributes.][83366] |
| 8 | + While a seemingly minor addition on its own, this enables a lot of |
| 9 | + powerful functionality when combined correctly. Most notably you can |
| 10 | + now include external documentation in your crate by writing the following. |
| 11 | + ```rust |
| 12 | + #![doc = include_str!("README.md")] |
| 13 | + ``` |
| 14 | + |
| 15 | +- [You can now cast between unsized slice types (and types which contain |
| 16 | + unsized slices) in `const fn`.][85078] |
| 17 | +- [TODO: stabilize member constraints][84701] |
| 18 | + |
| 19 | +Compiler |
| 20 | +----------------------- |
| 21 | + |
| 22 | +- [Rustc will now search for custom JSON targets in |
| 23 | + `/lib/rustlib/<target-triple>/target.json` where `/` is the "sysroot" |
| 24 | + directory.][83800] You can find your sysroot directory by running |
| 25 | + `rustc --print sysroot`. |
| 26 | +- [Added `wasm` as a `target_family` for WebAssembly platforms.][84072] |
| 27 | +- [You can now use `#[target_feature]` on safe functions when targeting |
| 28 | + WebAssembly platforms.][84988] |
| 29 | +- [Improved debugger output for enums on Windows MSVC platorms.][85292] |
| 30 | +- [Added tier 3\* support for `bpfel-unknown-none` |
| 31 | + and `bpfeb-unknown-none`.][79608] |
| 32 | +- [Added tier 3 support for `powerpc64le-unknown-freebsd`.][83572] |
| 33 | + |
| 34 | +Libraries |
| 35 | +----------------------- |
| 36 | + |
| 37 | +- [You can now explicitly import the prelude of different editions |
| 38 | + through `std::prelude`. (e.g. `use std::prelude::rust_2021::*;`)][86294] |
| 39 | +- [`panic::panic_any` will now `#[track_caller]`.][85745] |
| 40 | +- [Added `OutOfMemory` as a variant of `io::ErrorKind`.][84744] |
| 41 | +- [ `proc_macro::Literal` now implements `FromStr`.][84717] |
| 42 | +- [TODO: Bump stdarch submodule][83278] |
| 43 | + |
| 44 | +Stabilized APIs |
| 45 | +--------------- |
| 46 | + |
| 47 | +- [`BTreeMap::into_keys`] |
| 48 | +- [`BTreeMap::into_values`] |
| 49 | +- [`HashMap::into_keys`] |
| 50 | +- [`HashMap::into_values`] |
| 51 | +- [`MaybeUninit::assume_init_mut`] |
| 52 | +- [`MaybeUninit::assume_init_ref`] |
| 53 | +- [`arch::wasm32`] |
| 54 | +- [`arch::x86::_bittest`] |
| 55 | +- [`arch::x86::_bittestandcomplement`] |
| 56 | +- [`arch::x86::_bittestandset`] |
| 57 | +- [`arch::x86_64::_bittest`] |
| 58 | +- [`arch::x86_64::_bittestandcomplement64`] |
| 59 | +- [`arch::x86_64::_bittestandcomplement`] |
| 60 | +- [`arch::x86_64::_bittestandreset64`] |
| 61 | +- [`arch::x86_64::_bittestandset64`] |
| 62 | +- [`arch::x86_64::_bittestandset`] |
| 63 | +- [`ops::ControlFlow`] |
| 64 | +- [`VecDeque::binary_search`] |
| 65 | +- [`VecDeque::binary_search_by`] |
| 66 | +- [`VecDeque::binary_search_by_key`] |
| 67 | +- [`VecDeque::partition_point`] |
| 68 | + |
| 69 | +Cargo |
| 70 | +----------------------- |
| 71 | + |
| 72 | +- [Added the `--prune <spec>` option to `cargo-tree` to remove a package from |
| 73 | + the dependency graph.][cargo/9520] |
| 74 | +- [Added the `--depth` option to `cargo-tree` to print only to a certain depth |
| 75 | + in the tree ][cargo/9499] |
| 76 | +- [Added the `no-proc-macro` value to `cargo-tree --edges` to hide procedural |
| 77 | + macro dependencies.][cargo/9488] |
| 78 | +- [A new environment variable named `CARGO_TARGET_TMPDIR` is available.][cargo/9375] |
| 79 | + This variable points to a directory that integration tests and benches |
| 80 | + can use as a "scratchpad" for testing filesystem operations. |
| 81 | +- [Configure hosts separately from targets when --target is specified.][cargo/9322] |
| 82 | +- [Respect Cargo.toml `[package.exclude]` even not in a git repo.][cargo/9186] |
| 83 | + |
| 84 | +[79608]: https://github.com/rust-lang/rust/pull/79608 |
| 85 | +[84988]: https://github.com/rust-lang/rust/pull/84988 |
| 86 | +[84701]: https://github.com/rust-lang/rust/pull/84701 |
| 87 | +[84072]: https://github.com/rust-lang/rust/pull/84072 |
| 88 | +[86294]: https://github.com/rust-lang/rust/pull/86294 |
| 89 | +[85745]: https://github.com/rust-lang/rust/pull/85745 |
| 90 | +[84744]: https://github.com/rust-lang/rust/pull/84744 |
| 91 | +[85078]: https://github.com/rust-lang/rust/pull/85078 |
| 92 | +[84717]: https://github.com/rust-lang/rust/pull/84717 |
| 93 | +[83800]: https://github.com/rust-lang/rust/pull/83800 |
| 94 | +[83366]: https://github.com/rust-lang/rust/pull/83366 |
| 95 | +[83278]: https://github.com/rust-lang/rust/pull/83278 |
| 96 | +[85292]: https://github.com/rust-lang/rust/pull/85292 |
| 97 | +[83572]: https://github.com/rust-lang/rust/pull/83572 |
| 98 | +[cargo/9520]: https://github.com/rust-lang/cargo/pull/9520 |
| 99 | +[cargo/9499]: https://github.com/rust-lang/cargo/pull/9499 |
| 100 | +[cargo/9488]: https://github.com/rust-lang/cargo/pull/9488 |
| 101 | +[cargo/9375]: https://github.com/rust-lang/cargo/pull/9375 |
| 102 | +[cargo/9322]: https://github.com/rust-lang/cargo/pull/9322 |
| 103 | +[cargo/9186]: https://github.com/rust-lang/cargo/pull/9186 |
| 104 | +[`arch::x86::_bittest`]: https://doc.rust-lang.org/stable/core/arch/x86/fn._bittest.html |
| 105 | +[`arch::x86::_bittestandcomplement`]: https://doc.rust-lang.org/stable/core/arch/x86/fn._bittestandcomplement.html |
| 106 | +[`arch::x86::_bittestandset`]: https://doc.rust-lang.org/stable/core/arch/x86/fn._bittestandset.html |
| 107 | +[`arch::x86_64::_bittest`]: https://doc.rust-lang.org/stable/core/arch/x86_64/fn._bittest.html |
| 108 | +[`arch::x86_64::_bittestandcomplement64`]: https://doc.rust-lang.org/stable/core/arch/x86_64/fn._bittestandcomplement64.html |
| 109 | +[`arch::x86_64::_bittestandcomplement`]: https://doc.rust-lang.org/stable/core/arch/x86_64/fn._bittestandcomplement.html |
| 110 | +[`arch::x86_64::_bittestandreset64`]: https://doc.rust-lang.org/stable/core/arch/x86_64/fn._bittestandreset64.html |
| 111 | +[`arch::x86_64::_bittestandset64`]: https://doc.rust-lang.org/stable/core/arch/x86_64/fn._bittestandset64.html |
| 112 | +[`arch::x86_64::_bittestandset`]: https://doc.rust-lang.org/stable/core/arch/x86_64/fn._bittestandset.html |
| 113 | +[`BTreeMap::into_keys`]: https://doc.rust-lang.org/std/collections/struct.BTreeMap.html#method.into_keys |
| 114 | +[`BTreeMap::into_values`]: https://doc.rust-lang.org/std/collections/struct.BTreeMap.html#method.into_values |
| 115 | +[`HashMap::into_keys`]: https://doc.rust-lang.org/std/collections/struct.HashMap.html#method.into_keys |
| 116 | +[`HashMap::into_values`]: https://doc.rust-lang.org/std/collections/struct.HashMap.html#method.into_values |
| 117 | +[`MaybeUninit::assume_init_ref`]: https://doc.rust-lang.org/std/mem/union.MaybeUninit.html#method.assume_init_ref |
| 118 | +[`MaybeUninit::assume_init_mut`]: https://doc.rust-lang.org/std/mem/union.MaybeUninit.html#method.assume_init_mut |
| 119 | +[`arch::wasm32`]: https://doc.rust-lang.org/core/arch/wasm32/index.html |
| 120 | +[`ops::ControlFlow`]: https://doc.rust-lang.org/std/ops/enum.ControlFlow.html |
| 121 | +[`VecDeque::binary_search`]: https://doc.rust-lang.org/std/collections/struct.VecDeque.html#method.binary_search |
| 122 | +[`VecDeque::binary_search_by`]: https://doc.rust-lang.org/std/collections/struct.VecDeque.html#method.binary_search_by |
| 123 | + |
| 124 | +[`VecDeque::binary_search_by_key`]: https://doc.rust-lang.org/std/collections/struct.VecDeque.html#method.binary_search_by_key |
| 125 | + |
| 126 | +[`VecDeque::partition_point`]: https://doc.rust-lang.org/std/collections/struct.VecDeque.html#method.partition_point |
| 127 | + |
1 | 128 | Version 1.53.0 (2021-06-17)
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2 | 129 | ============================
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3 | 130 |
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@@ -1749,7 +1876,7 @@ Language
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1749 | 1876 | - [You can now use `#[repr(transparent)]` on univariant `enum`s.][68122] Meaning
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1750 | 1877 | that you can create an enum that has the exact layout and ABI of the type
|
1751 | 1878 | it contains.
|
1752 |
| -- [You can now use outer attribute procedural macros on inline modules.][64273] |
| 1879 | +- [You can now use outer attribute procedural macros on inline modules.][64273] |
1753 | 1880 | - [There are some *syntax-only* changes:][67131]
|
1754 | 1881 | - `default` is syntactically allowed before items in `trait` definitions.
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1755 | 1882 | - Items in `impl`s (i.e. `const`s, `type`s, and `fn`s) may syntactically
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