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authorValentin Popov <valentin@popov.link>2024-01-08 00:21:28 +0300
committerValentin Popov <valentin@popov.link>2024-01-08 00:21:28 +0300
commit1b6a04ca5504955c571d1c97504fb45ea0befee4 (patch)
tree7579f518b23313e8a9748a88ab6173d5e030b227 /vendor/bitflags/examples/serde.rs
parent5ecd8cf2cba827454317368b68571df0d13d7842 (diff)
downloadfparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.tar.xz
fparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.zip
Initial vendor packages
Signed-off-by: Valentin Popov <valentin@popov.link>
Diffstat (limited to 'vendor/bitflags/examples/serde.rs')
-rw-r--r--vendor/bitflags/examples/serde.rs36
1 files changed, 36 insertions, 0 deletions
diff --git a/vendor/bitflags/examples/serde.rs b/vendor/bitflags/examples/serde.rs
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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() {}