Consistent impl for &T, Rc<T>, and Arc<T>

pyo3-stub-gen/src/stub_type/builtins.rs

@@ -5,6 +5,8 @@ use std::{
     borrow::Cow,
     ffi::{OsStr, OsString},
     path::PathBuf,
+    rc::Rc,
+    sync::Arc,
     time::SystemTime,
 };
 
@@ -88,3 +90,30 @@ impl_with_module!(FixedOffset, "datetime.tzinfo", "datetime");
 impl_with_module!(Utc, "datetime.tzinfo", "datetime");
 impl_with_module!(std::time::Duration, "datetime.timedelta", "datetime");
 impl_with_module!(chrono::Duration, "datetime.timedelta", "datetime");
+
+impl<T: PyStubType> PyStubType for &T {
+    fn type_input() -> TypeInfo {
+        T::type_input()
+    }
+    fn type_output() -> TypeInfo {
+        T::type_output()
+    }
+}
+
+impl<T: PyStubType> PyStubType for Rc<T> {
+    fn type_input() -> TypeInfo {
+        T::type_input()
+    }
+    fn type_output() -> TypeInfo {
+        T::type_output()
+    }
+}
+
+impl<T: PyStubType> PyStubType for Arc<T> {
+    fn type_input() -> TypeInfo {
+        T::type_input()
+    }
+    fn type_output() -> TypeInfo {
+        T::type_output()
+    }
+}

pyo3-stub-gen/src/stub_type/collections.rs

@@ -1,15 +1,6 @@
 use crate::stub_type::*;
 use std::collections::{BTreeMap, BTreeSet, HashMap};
 
-impl<T: PyStubType> PyStubType for &T {
-    fn type_input() -> TypeInfo {
-        T::type_input()
-    }
-    fn type_output() -> TypeInfo {
-        T::type_output()
-    }
-}
-
 impl<T: PyStubType> PyStubType for Option<T> {
     fn type_input() -> TypeInfo {
         let TypeInfo { name, mut import } = T::type_input();