Antonio Natilla 1c2741c598 Fixing run implementation for Echo
Values to echo need to be extracted from the call, and then converted
into PipelineData.

I also updated the first example so that its result is a List,
as in the reference implementation.
2021-11-01 15:43:16 +01:00
..
2021-11-01 15:43:16 +01:00
2021-10-26 14:30:53 +13:00