def at.step
import shake@0.7.0.0/src/cli.bend as Cliimport Base
550# one name further down, when there is still a Matched to go down from
551def at.step(cur: Maybe<&2, Matched>, +name: String) -> Maybe<&2, Matched>:
552 match cur:
553 case None{}:
554 None{}
555 case Some{mm}:
556 sub_of(mm, name)