Avoid cloning Name when looking up function and class types (#14092)

crates/ruff_python_ast/src/name.rs

@@ -205,6 +205,21 @@ impl schemars::JsonSchema for Name {
     }
 }
 
+#[cfg(feature = "salsa")]
+impl salsa::plumbing::interned::Lookup<Name> for &str {
+    fn hash<H: Hasher>(&self, h: &mut H) {
+        std::hash::Hash::hash(self, h);
+    }
+
+    fn eq(&self, data: &Name) -> bool {
+        self == data
+    }
+
+    fn into_owned(self) -> Name {
+        Name::new(self)
+    }
+}
+
 /// A representation of a qualified name, like `typing.List`.
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct QualifiedName<'a>(SegmentsVec<'a>);