id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
6429	[MM] Add listFlatten and listFlattenReverse in C for more performance	Adrian Pop	Martin Sjölund	"
Currently List.flatten is implmeneted as:
{{{
listAppend(lst for lst in listReverse(inList))
}}}
which has rather bad performance (time and memory wise).

Implement this in C."	defect	new	high		MetaModelica	1.18.0-dev			Per Östlund