Cli.at.step: def of shake@0.7.0.0
Import: import shake@0.7.0.0/src/cli.bend as Cli
Lines 550-556 of shake@0.7.0.0/src/cli.bend: https://jend.leeeet.dev/read.txt?path=shake@0.7.0.0/src/cli.bend&start_line=550&end_line=556

import Base

# one name further down, when there is still a Matched to go down from
def at.step(cur: Maybe<&2, Matched>, +name: String) -> Maybe<&2, Matched>:
  match cur:
    case None{}:
      None{}
    case Some{mm}:
      sub_of(mm, name)

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=shake@0.7.0.0/src/cli.bend&name=Matched
  https://jend.leeeet.dev/definition.txt?path=shake@0.7.0.0/src/cli.bend&name=sub_of