fix: Connecting a channel of a multi-output pipeop

mlr-org / mlr3pipelines

Dataflow Programming for Machine Learning in R

https://mlr3pipelines.mlr-org.com/

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fix: Connecting a channel of a multi-output pipeop #673

Closed sebffischer closed 1 year ago

sebffischer commented 2 years ago

Before, it was impossible to connect a channel of a PipeOp with > 1 output channel with > 1 input channel of a different PipeOp. Subsetting using ..output[get("src_id")] recycles the list correspondingly