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