Args.copy: def of shake@0.7.0.0
Import: import shake@0.7.0.0/src/args.bend as Args
Lines 9-15 of shake@0.7.0.0/src/args.bend: https://jend.leeeet.dev/read.txt?path=shake@0.7.0.0/src/args.bend&start_line=9&end_line=15

import Base

# a &1 list copied to &2
def copy(xs: List<&1, String>) -> List<&2, String>:
  match xs:
    case Nil{}:
      Nil{}
    case Con{+h, t}:
      h <> copy(t)

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String