Cfgio.ia.err: def of cswap-bend-cli@0.1.0.0
Import: import cswap-bend-cli@0.1.0.0/cfgio.bend as Cfgio
Lines 44-47 of cswap-bend-cli@0.1.0.0/cfgio.bend: https://jend.leeeet.dev/read.txt?path=cswap-bend-cli@0.1.0.0/cfgio.bend&start_line=44&end_line=47

import Base

def ia.err(+a: IA, msg: String) -> IA:
  match a:
    case IA{file, fmt, replace, err, w, data}:
      IA{file, fmt, replace, Bool.pick(String, String.is_empty(err), msg, err), "", data}

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.is_empty
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/cfgio.bend&name=IA