🐛 fixes primitive type extension serialization.

Author: nazrulworld

HISTORY.rst

@@ -5,7 +5,7 @@ History
 0.1.0b4 (unreleased)
 --------------------
 
-- Nothing changed yet.
+- Fixes extension serialization.
 
 
 0.1.0b3 (2024-07-28)

fhir_core/fhirabstractmodel.py

@@ -312,7 +312,7 @@ def _fhir_iter(
                 ext_key = f"{field_key}__ext"
                 ext_val = self.__dict__.get(ext_key, None)
                 if ext_val is not None:
-                    ext_val = serialize(ext_val)
+                    ext_val = self._serialize_non_primitive_value(ext_val, serialize, info)
                 if ext_val is not None:
                     dict_key_ = (
                         info.by_alias and self.model_fields[ext_key].alias or ext_key