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//! An example of implementing `serde::Serialize` and `serde::Deserialize`.
//! The `#[serde(transparent)]` attribute is recommended to serialize directly
//! to the underlying bits type without wrapping it in a `serde` newtype.
#[cfg(feature = "serde")]
fn main() {
use serde_lib::*;
bitflags::bitflags! {
#[derive(Serialize, Deserialize, Debug, PartialEq, Eq)]
#[serde(transparent)]
// NOTE: We alias the `serde` crate as `serde_lib` in this repository,
// but you don't need to do this
#[serde(crate = "serde_lib")]
pub struct Flags: u32 {
const A = 1;
const B = 2;
const C = 4;
const D = 8;
}
}
let flags = Flags::A | Flags::B;
let serialized = serde_json::to_string(&flags).unwrap();
println!("{:?} -> {}", flags, serialized);
assert_eq!(serialized, r#""A | B""#);
let deserialized: Flags = serde_json::from_str(&serialized).unwrap();
println!("{} -> {:?}", serialized, flags);
assert_eq!(deserialized, flags);
}
#[cfg(not(feature = "serde"))]
fn main() {}
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