[BEAM-11147] Support type hint annotations on @ptransform_fn functions

• Type: Bug
• Status: Open
• Priority: P3
• Resolution: Unresolved
• Component/s: sdk-py-core
• Labels: types
• Assignee: Unassigned
• Reporter: Udi Meiri
• Created: 27/Oct/20 23:23
• Updated: 04/Jun/22 18:07

Description

As a followup to https://issues.apache.org/jira/browse/BEAM-10258, we would like to support PTransforms generated by the @ptransform_fn decorator.
These functions are essentially an expand() method.