Sha256: 29dd7b845345a103ca31e91b579aeb01fb74935b8223c29184eb42223edadb65
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Size: 644 Bytes
Versions: 23
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Stored size: 644 Bytes
Contents
//! An example of implementing the `BitFlags` trait manually for a flags type.
use std::str;
use bitflags::bitflags;
// Define a flags type outside of the `bitflags` macro as a newtype
// It can accept custom derives for libaries `bitflags` doesn't support natively
#[derive(zerocopy::AsBytes, zerocopy::FromBytes)]
#[repr(transparent)]
pub struct ManualFlags(u32);
// Next: use `impl Flags` instead of `struct Flags`
bitflags! {
impl ManualFlags: u32 {
const A = 0b00000001;
const B = 0b00000010;
const C = 0b00000100;
const ABC = Self::A.bits() | Self::B.bits() | Self::C.bits();
}
}
fn main() {}
Version data entries
23 entries across 23 versions & 1 rubygems