def lex.class
import bend-kit-regex@0.8.0.0/regex.bend as Regeximport Base
320def lex.class(neg: Bool, r: Cs, toks: List<&2, Tok>) -> Lx:
321 match r:
322 case CsDone{items, rest}:
323 LGo{rest, TAtom{NSet{neg, items}} <> toks}
324 case CsGo{s, first, items}:
325 LFail{}
326 case CsFail{}:
327 LFail{}