Add support for rkyv

Author: nikessel

Cargo.toml

@@ -16,13 +16,15 @@ repository = "https://github.com/dylanhart/ulid-rs"
 default = ["std"]
 std = ["rand"]
 postgres = ["dep:postgres-types", "dep:bytes"]
+rkyv = ["dep:rkyv"]
 
 [dependencies]
 serde = { version = "1.0", optional = true }
 rand = { version = "0.9", optional = true }
 uuid = { version = "1.1", optional = true }
 postgres-types = { version = "0.2.6", optional = true }
 bytes = { version = "1.4.0", optional = true }
+rkyv = { version = "0.8.10", optional = true }
 
 [target.wasm32-unknown-unknown.dependencies]
 web-time = "1"

src/lib.rs

@@ -40,6 +40,8 @@ mod base32;
 mod generator;
 #[cfg(feature = "postgres")]
 mod postgres;
+#[cfg(feature = "rkyv")]
+mod rkyv;
 #[cfg(feature = "serde")]
 pub mod serde;
 #[cfg(feature = "std")]
@@ -75,6 +77,10 @@ pub(crate) use bitmask;
 /// remaining 80 are random. The first 48 provide for lexicographic sorting and
 /// the remaining 80 ensure that the identifier is unique.
 #[derive(Debug, PartialOrd, Ord, PartialEq, Eq, Hash, Clone, Copy)]
+#[cfg_attr(
+    feature = "rkyv",
+    derive(::rkyv::Archive, ::rkyv::Serialize, ::rkyv::Deserialize)
+)]
 pub struct Ulid(pub u128);
 
 impl Ulid {

src/rkyv.rs

@@ -0,0 +1,22 @@
+#[cfg(test)]
+mod tests {
+    use crate::Ulid;
+    use rkyv::{{from_bytes, to_bytes}, rancor::Error};
+
+    #[test]
+    fn test_ulid_roundtrip() {
+        // Create a ULID
+        let id = Ulid::new();
+        let id_string = id.to_string();
+
+        // Serialize it
+        let bytes = to_bytes::<Error>(&id).unwrap();
+
+        // Deserialize back
+        let deserialized: Ulid = from_bytes::<_, Error>(&bytes).unwrap();
+
+        // Verify equality
+        assert_eq!(id, deserialized);
+        assert_eq!(id_string, deserialized.to_string());
+    }
+}