Args.copy: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/share/args.bend as Args
Lines 30-37 of ezx@1.11.0.0/src/share/args.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/share/args.bend&start_line=30&end_line=37

import Base

# the arguments the process was started with. `IO.args()` answers a `&1` list
# and the rest of ez reads its arguments more than once, so the walk copies it.
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