Const
A concat: its two inputs, and widenTypes, always written, false included (PLAN ยง11.5). A value other than true or false, which a later version could write (e.g. a kind of conversion), could change the rows, so it keeps the node as an Unknown node.
widenTypes
false
A concat: its two inputs, and
widenTypes, always written,falseincluded (PLAN ยง11.5). A value other than true or false, which a later version could write (e.g. a kind of conversion), could change the rows, so it keeps the node as an Unknown node.