def part_node
import near-architecture@0.9.1.0/arc.bend as Arcimport Base
438def part_node(+k: String, xs: List<&2, Part>) -> String:
439 match xs:
440 case []:
441 ""
442 case +p <> rest:
443 pick_str(str_eq(k, pkey(p)), pon(p), part_node(k, rest))