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

clement.cazi November 17, 2017, 8:13am 3

@Yna_Db, it doesn’t change anything.

Replace item at index

Topic		Replies	Views
Replace a specific sublist Lists-Logic	1	702	February 2, 2019
Replace (by condition?) Revit dynamo	5	834	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	900	January 5, 2021
Help to adjust a list with "ReplaceByCondition" node Revit	2	532	August 14, 2021

Replace By condition (list and sublist)

Related topics