I have a problem with Replace By Condition Node. When I have a list wich just one item and sublists, the node doesn’t work. The warning is “_Converting an array to var would cause array rank reduction and is not permitted”. but if I have a list only with sublists (even if sublists have only one it…

You found one of the limitations of imperative code - mixing singletons and lists can be tricky, you usually get a “Rank Reduction” exception. If you want to stick with nodes, one way to get around this is to manually use function mapping techniques: [image]

Replace By condition (list and sublist)

Revit

Kulkul Split this topic March 1, 2018, 1:18pm 9

5 posts were split to a new topic: Replace By Condition (with Any List Structure)

Topic		Replies	Views
Replace a specific sublist Lists-Logic	1	703	February 2, 2019
Replace (by condition?) Revit dynamo	5	837	September 29, 2021
Replace by condition works unexpectedly with diffrent inputs Lists-Logic dynamo	4	335	August 20, 2018
ReplaceByCondition node - replace individual item with a list Lists-Logic	7	901	January 5, 2021
Help to adjust a list with "ReplaceByCondition" node Revit	2	533	August 14, 2021

Replace By condition (list and sublist)

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