Path.up.back: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/pkg/path.bend as Path
Lines 32-38 of ezx@1.11.0.0/src/pkg/path.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/pkg/path.bend&start_line=32&end_line=38

import Base

# a climb past a component that is itself a climb keeps both
def up.back(same: Bool, head: String, rest: List<&2, String>) -> List<&2, String>:
  match same:
    case True{}:
      ".." <> (head <> rest)
    case False{}:
      rest

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String