def co.doc.start
import yaml-for-bend@0.1.1.0/compose.bend as Composeimport Base
import yaml-for-bend@0.1.1.0/token.bend as T
400def co.doc.start(co: Co, at: T.Mark) -> Co:
401 match co:
402 case Co{stack, anchors, count, root, docs, opened, depth, copied}:
403 Co{[], Map.new(&2, Anchored), 0n, None{}, docs, at, 0n, 0n}