Csv.at_start: def of cswap-bend-cli@0.1.0.0
Import: import cswap-bend-cli@0.1.0.0/fmt/csv.bend as Csv
Lines 114-119 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=114&end_line=119

import Base

def at_start(+c: U32, +st: St) -> St:
  sel.st(U32.is_eq(c, 34), with_mode(st, MQuoted{}),
  sel.st(U32.is_eq(c, 44), end_field(st, MStart{}),
  sel.st(U32.is_eq(c, 10), blank.pick(row_empty(st), st),
  sel.st(U32.is_eq(c, 13), st,
  with_mode(push(c, st), MPlain{})))))

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/fmt/csv.bend&name=Mode
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/fmt/csv.bend&name=St
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/fmt/csv.bend&name=blank.pick
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/fmt/csv.bend&name=end_field
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/fmt/csv.bend&name=push
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/fmt/csv.bend&name=row_empty
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/fmt/csv.bend&name=sel.st
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/fmt/csv.bend&name=with_mode