Add Rust lang support for the new 1.0 verion of the uuid crate. (#1562)

docs/content/rust/reference/polar/classes.md

@@ -207,19 +207,20 @@ dependency. In `Cargo.toml`, an Oso dependency that supports UUIDs looks as
 follows:
 
 ```toml
-oso = { version = "X.Y.Z", features = ["uuid-07"] }
+oso = { version = "X.Y.Z", features = ["uuid-10"] }
 ```
 
 **Note that the numbers in the feature flags do not refer to [the UUID
 version][wiki] but to the version of the `uuid` crate.** Most people will want
-the `uuid-07` feature flag, as it supports recent versions of the `uuid` crate.
+the `uuid-10` feature flag, as it supports recent versions of the `uuid` crate.
 
 [wiki]: https://en.wikipedia.org/wiki/Universally_unique_identifier#Versions
 
 | `uuid` Crate Version | Feature Flag |
 |----------------------|--------------|
 | `0.6.5` - `0.6.x`    | `uuid-06`    |
 | `0.7.0` - `0.8.x`    | `uuid-07`    |
+| `1.0.0` - `2.0.0`    | `uuid-10`    |
 
 ### Rust → Polar Types Summary
 

languages/rust/oso/Cargo.toml

@@ -46,6 +46,7 @@ rustyline-derive = { version = "0.5.0", optional = true }
 
 uuid-06 = { package = "uuid", version = "0.6.5", optional = true }
 uuid-07 = { package = "uuid", version = ">=0.7.0, <0.9.0", optional = true }
+uuid-10 = { package = "uuid", version = ">=1.0.0, <2.0.0", optional = true }
 
 [dev-dependencies]
 anyhow = "1.0.44"

languages/rust/oso/src/extras.rs

@@ -15,3 +15,12 @@ impl crate::PolarClass for uuid_07::Uuid {
             .with_equality_check()
     }
 }
+
+#[cfg(feature = "uuid-10")]
+impl crate::PolarClass for uuid_10::Uuid {
+    fn get_polar_class_builder() -> crate::host::ClassBuilder<uuid_10::Uuid> {
+        crate::host::Class::builder()
+            .name("Uuid")
+            .with_equality_check()
+    }
+}

languages/rust/oso/tests/test_polar_rust.rs

@@ -776,3 +776,15 @@ fn test_uuid_07() -> Result<(), Box<dyn std::error::Error>> {
     test.oso.query_rule("f", (x, y))?.next().unwrap()?;
     Ok(())
 }
+
+#[cfg(feature = "uuid-10")]
+#[test]
+fn test_uuid_10() -> Result<(), Box<dyn std::error::Error>> {
+    use uuid_10::Uuid;
+    let mut test = OsoTest::new();
+    test.oso.register_class(Uuid::get_polar_class())?;
+    test.load_str("f(x: Uuid, y: Uuid) if x = y;");
+    let (x, y) = (Uuid::nil(), Uuid::nil());
+    test.oso.query_rule("f", (x, y))?.next().unwrap()?;
+    Ok(())
+}