File: serde.rs

package info (click to toggle)
firefox 149.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 4,767,760 kB
  • sloc: cpp: 7,416,064; javascript: 6,752,859; ansic: 3,774,850; python: 1,250,473; xml: 641,578; asm: 439,191; java: 186,617; sh: 56,634; makefile: 18,856; objc: 13,092; perl: 12,763; pascal: 5,960; yacc: 4,583; cs: 3,846; lex: 1,720; ruby: 1,002; php: 436; lisp: 258; awk: 105; sql: 66; sed: 53; csh: 10; exp: 6
file content (39 lines) | stat: -rw-r--r-- 1,116 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
 
//! 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() {}