Cli.fill.levels: def of shake@0.8.0.0
Import: import shake@0.8.0.0/src/cli.bend as Cli
Lines 1422-1429 of shake@0.8.0.0/src/cli.bend: https://jend.leeeet.dev/read.txt?path=shake@0.8.0.0/src/cli.bend&start_line=1422&end_line=1429

import Base

# each command's defaults, filled in among its own bindings
def fill.levels(lvs: List<&2, Level>) -> List<&2, Level>:
  match lvs:
    case Nil{}:
      []
    case Con{hh, tt}:
      Level{+args, binds} = hh
      Level{args, fill.args(args, binds)} <> fill.levels(tt)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=shake@0.8.0.0/src/cli.bend&name=Level
  https://jend.leeeet.dev/definition.txt?path=shake@0.8.0.0/src/cli.bend&name=fill.args