| tag | 0b2e050ce4808c3e2dabff9debd2a0f4d0d3ebc2 | |
|---|---|---|
| tagger | The Android Open Source Project <initial-contribution@android.com> | Wed Apr 24 20:07:43 2024 -0700 |
| object | 3ad521dd568d43c1ba47c1a6573a24e856d0ed2a |
aml_sta_341615000 (11423312,com.google.android.go.os.statsd,com.google.android.os.statsd)
| commit | 3ad521dd568d43c1ba47c1a6573a24e856d0ed2a | [log] [tgz] |
|---|---|---|
| author | Android Build Coastguard Worker <android-build-coastguard-worker@google.com> | Fri Jul 07 05:04:42 2023 +0000 |
| committer | Android Build Coastguard Worker <android-build-coastguard-worker@google.com> | Fri Jul 07 05:04:42 2023 +0000 |
| tree | f8755189188b3d893bffb8e26b835c89ffed6561 | |
| parent | 4c15e432c0af853537023fcf599b2221f98d3a77 [diff] | |
| parent | 733af9d494ab2825a2bb069e81d2f9ba880d0abc [diff] |
Snap for 10453563 from 733af9d494ab2825a2bb069e81d2f9ba880d0abc to mainline-os-statsd-release Change-Id: I3c9697a9ce7869d4d63fb63b193e488403ac83e6
A Rust macro to generate structures which behave like a set of bitflags
Add this to your Cargo.toml:
[dependencies] bitflags = "2.2.1"
and this to your source code:
use bitflags::bitflags;
Generate a flags structure:
use bitflags::bitflags; // The `bitflags!` macro generates `struct`s that manage a set of flags. bitflags! { #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)] struct Flags: u32 { const A = 0b00000001; const B = 0b00000010; const C = 0b00000100; const ABC = Self::A.bits() | Self::B.bits() | Self::C.bits(); } } fn main() { let e1 = Flags::A | Flags::C; let e2 = Flags::B | Flags::C; assert_eq!((e1 | e2), Flags::ABC); // union assert_eq!((e1 & e2), Flags::C); // intersection assert_eq!((e1 - e2), Flags::A); // set difference assert_eq!(!e2, Flags::A); // set complement }
The minimum supported Rust version is documented in the Cargo.toml file. This may be bumped in minor releases as necessary.