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# 1.3.2
- Allow `non_snake_case` in generated flags types ([#256])
[#252]: https://github.com/bitflags/bitflags/pull/256
# 1.3.1
- Revert unconditional `#[repr(transparent)]` ([#252])
[#252]: https://github.com/bitflags/bitflags/pull/252
# 1.3.0 (yanked)
- Add `#[repr(transparent)]` ([#187])
- End `empty` doc comment with full stop ([#202])
- Fix typo in crate root docs ([#206])
- Document from_bits_unchecked unsafety ([#207])
- Let `is_all` ignore extra bits ([#211])
- Allows empty flag definition ([#225])
- Making crate accessible from std ([#227])
- Make `from_bits` a const fn ([#229])
- Allow multiple bitflags structs in one macro invocation ([#235])
- Add named functions to perform set operations ([#244])
- Fix typos in method docs ([#245])
- Modernization of the `bitflags` macro to take advantage of newer features and 2018 idioms ([#246])
- Fix regression (in an unreleased feature) and simplify tests ([#247])
- Use `Self` and fix bug when overriding `stringify!` ([#249])
[#187]: https://github.com/bitflags/bitflags/pull/187
[#202]: https://github.com/bitflags/bitflags/pull/202
[#206]: https://github.com/bitflags/bitflags/pull/206
[#207]: https://github.com/bitflags/bitflags/pull/207
[#211]: https://github.com/bitflags/bitflags/pull/211
[#225]: https://github.com/bitflags/bitflags/pull/225
[#227]: https://github.com/bitflags/bitflags/pull/227
[#229]: https://github.com/bitflags/bitflags/pull/229
[#235]: https://github.com/bitflags/bitflags/pull/235
[#244]: https://github.com/bitflags/bitflags/pull/244
[#245]: https://github.com/bitflags/bitflags/pull/245
[#246]: https://github.com/bitflags/bitflags/pull/246
[#247]: https://github.com/bitflags/bitflags/pull/247
[#249]: https://github.com/bitflags/bitflags/pull/249
# 1.2.1
- Remove extraneous `#[inline]` attributes ([#194])
[#194]: https://github.com/bitflags/bitflags/pull/194
# 1.2.0
- Fix typo: {Lower, Upper}Exp - {Lower, Upper}Hex ([#183])
- Add support for "unknown" bits ([#188])
[#183]: https://github.com/rust-lang-nursery/bitflags/pull/183
[#188]: https://github.com/rust-lang-nursery/bitflags/pull/188
# 1.1.0
This is a re-release of `1.0.5`, which was yanked due to a bug in the RLS.
# 1.0.5
- Use compiletest_rs flags supported by stable toolchain ([#171])
- Put the user provided attributes first ([#173])
- Make bitflags methods `const` on newer compilers ([#175])
[#171]: https://github.com/rust-lang-nursery/bitflags/pull/171
[#173]: https://github.com/rust-lang-nursery/bitflags/pull/173
[#175]: https://github.com/rust-lang-nursery/bitflags/pull/175
# 1.0.4
- Support Rust 2018 style macro imports ([#165])
```rust
use bitflags::bitflags;
```
[#165]: https://github.com/rust-lang-nursery/bitflags/pull/165
# 1.0.3
- Improve zero value flag handling and documentation ([#157])
[#157]: https://github.com/rust-lang-nursery/bitflags/pull/157
# 1.0.2
- 30% improvement in compile time of bitflags crate ([#156])
- Documentation improvements ([#153])
- Implementation cleanup ([#149])
[#156]: https://github.com/rust-lang-nursery/bitflags/pull/156
[#153]: https://github.com/rust-lang-nursery/bitflags/pull/153
[#149]: https://github.com/rust-lang-nursery/bitflags/pull/149
# 1.0.1
- Add support for `pub(restricted)` specifier on the bitflags struct ([#135])
- Optimize performance of `all()` when called from a separate crate ([#136])
[#135]: https://github.com/rust-lang-nursery/bitflags/pull/135
[#136]: https://github.com/rust-lang-nursery/bitflags/pull/136
# 1.0.0
- **[breaking change]** Macro now generates [associated constants](https://doc.rust-lang.org/reference/items.html#associated-constants) ([#24])
- **[breaking change]** Minimum supported version is Rust **1.20**, due to usage of associated constants
- After being broken in 0.9, the `#[deprecated]` attribute is now supported again ([#112])
- Other improvements to unit tests and documentation ([#106] and [#115])
[#24]: https://github.com/rust-lang-nursery/bitflags/pull/24
[#106]: https://github.com/rust-lang-nursery/bitflags/pull/106
[#112]: https://github.com/rust-lang-nursery/bitflags/pull/112
[#115]: https://github.com/rust-lang-nursery/bitflags/pull/115
## How to update your code to use associated constants
Assuming the following structure definition:
```rust
bitflags! {
struct Something: u8 {
const FOO = 0b01,
const BAR = 0b10
}
}
```
In 0.9 and older you could do:
```rust
let x = FOO.bits | BAR.bits;
```
Now you must use:
```rust
let x = Something::FOO.bits | Something::BAR.bits;
```
# 0.9.1
- Fix the implementation of `Formatting` traits when other formatting traits were present in scope ([#105])
[#105]: https://github.com/rust-lang-nursery/bitflags/pull/105
# 0.9.0
- **[breaking change]** Use struct keyword instead of flags to define bitflag types ([#84])
- **[breaking change]** Terminate const items with semicolons instead of commas ([#87])
- Implement the `Hex`, `Octal`, and `Binary` formatting traits ([#86])
- Printing an empty flag value with the `Debug` trait now prints "(empty)" instead of nothing ([#85])
- The `bitflags!` macro can now be used inside of a fn body, to define a type local to that function ([#74])
[#74]: https://github.com/rust-lang-nursery/bitflags/pull/74
[#84]: https://github.com/rust-lang-nursery/bitflags/pull/84
[#85]: https://github.com/rust-lang-nursery/bitflags/pull/85
[#86]: https://github.com/rust-lang-nursery/bitflags/pull/86
[#87]: https://github.com/rust-lang-nursery/bitflags/pull/87
# 0.8.2
- Update feature flag used when building bitflags as a dependency of the Rust toolchain
# 0.8.1
- Allow bitflags to be used as a dependency of the Rust toolchain
# 0.8.0
- Add support for the experimental `i128` and `u128` integer types ([#57])
- Add set method: `flags.set(SOME_FLAG, true)` or `flags.set(SOME_FLAG, false)` ([#55])
This may break code that defines its own set method
[#55]: https://github.com/rust-lang-nursery/bitflags/pull/55
[#57]: https://github.com/rust-lang-nursery/bitflags/pull/57
# 0.7.1
*(yanked)*
# 0.7.0
- Implement the Extend trait ([#49])
- Allow definitions inside the `bitflags!` macro to refer to items imported from other modules ([#51])
[#49]: https://github.com/rust-lang-nursery/bitflags/pull/49
[#51]: https://github.com/rust-lang-nursery/bitflags/pull/51
# 0.6.0
- The `no_std` feature was removed as it is now the default
- The `assignment_operators` feature was remove as it is now enabled by default
- Some clippy suggestions have been applied
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