Fix overload position of computed_field (#8227)

pydantic/fields.py

@@ -970,6 +970,18 @@ class ComputedFieldInfo:
     repr: bool
 
 
+def _wrapped_property_is_private(property_: cached_property | property) -> bool:  # type: ignore
+    """Returns true if provided property is private, False otherwise."""
+    wrapped_name: str = ''
+
+    if isinstance(property_, property):
+        wrapped_name = getattr(property_.fget, '__name__', '')
+    elif isinstance(property_, cached_property):  # type: ignore
+        wrapped_name = getattr(property_.func, '__name__', '')  # type: ignore
+
+    return wrapped_name.startswith('_') and not wrapped_name.startswith('__')
+
+
 # this should really be `property[T], cached_proprety[T]` but property is not generic unlike cached_property
 # See https://github.com/python/typing/issues/985 and linked issues
 PropertyT = typing.TypeVar('PropertyT')
@@ -995,18 +1007,6 @@ def computed_field(__func: PropertyT) -> PropertyT:
     ...
 
 
-def _wrapped_property_is_private(property_: cached_property | property) -> bool:  # type: ignore
-    """Returns true if provided property is private, False otherwise."""
-    wrapped_name: str = ''
-
-    if isinstance(property_, property):
-        wrapped_name = getattr(property_.fget, '__name__', '')
-    elif isinstance(property_, cached_property):  # type: ignore
-        wrapped_name = getattr(property_.func, '__name__', '')  # type: ignore
-
-    return wrapped_name.startswith('_') and not wrapped_name.startswith('__')
-
-
 def computed_field(
     __f: PropertyT | None = None,
     *,