josh-fell commented on PR #40172:
URL: https://github.com/apache/airflow/pull/40172#issuecomment-2173804067
> > concat XComArgs from two sets of mapped tasks
>
> Not sure I follow this
Related to a question I could think of DAG authors asking: "Does this work
with mapped-task inputs?".
```mermaid
graph LR;
mapped_task_1-->aggregate_mapped_tasks;
mapped_task_2-->aggregate_mapped_tasks;
```
meaning
```python
aggregate_mapped_tasks(input=mapped_task_1.concat(mapped_task_2))
```
Looking again the "... ``concat`` function takes arbitrary positional
arguments ..." statement covers this so ignore. Still looks great.
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