serde.rs - mozsearch

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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_derive::*;

    bitflags::bitflags! {

        #[derive(Serialize, Deserialize, Debug, PartialEq, Eq)]

        #[serde(transparent)]

        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() {}