Scan.err.of: def of cswap-bend-cli@0.1.0.0
Import: import cswap-bend-cli@0.1.0.0/json/scan.bend as Scan
Lines 52-59 of cswap-bend-cli@0.1.0.0/json/scan.bend: https://jend.leeeet.dev/read.txt?path=cswap-bend-cli@0.1.0.0/json/scan.bend&start_line=52&end_line=59

import Base
import cswap-bend-cli@0.1.0.0/json/lex.bend as Lex

def err.of(toks: List<&2, Lex.Tok>) -> String:
  match toks:
    case Nil{}:
      ""
    case Con{Lex.TErr{m}, t}:
      m
    case Con{h, t}:
      err.of(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/json/lex.bend&name=Tok