Csv.dq: def of cswap-bend-cli@0.1.0.0
Import: import cswap-bend-cli@0.1.0.0/fmt/csv.bend as Csv
Lines 19-24 of cswap-bend-cli@0.1.0.0/fmt/csv.bend: https://jend.leeeet.dev/read.txt?path=cswap-bend-cli@0.1.0.0/fmt/csv.bend&start_line=19&end_line=24

import Base

def dq(s: String) -> String:
  match s:
    case SNil{}:
      ""
    case SCon{Chr{+c}, t}:
      Bool.pick(String, U32.is_eq(c, 34), "\"\"", SCon{Chr{c}, SNil{}}) ++ dq(t)

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.append
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq