Shape.headers: def of cswap-bend-cli@0.1.0.0
Import: import cswap-bend-cli@0.1.0.0/fmt/shape.bend as Shape
Lines 108-113 of cswap-bend-cli@0.1.0.0/fmt/shape.bend: https://jend.leeeet.dev/read.txt?path=cswap-bend-cli@0.1.0.0/fmt/shape.bend&start_line=108&end_line=113

import Base

def headers(cols: List<&2, Col>) -> List<&2, String>:
  match cols:
    case Nil{}:
      []
    case Con{Col{h, p}, t}:
      h <> headers(t)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/fmt/shape.bend&name=Col