def parse.open
import bend-kit-regex@0.8.0.0/regex.bend as Regeximport Base
489def parse.open(cap: Bool, +n: U32, stack: List<&2, Frame>, alts: List<&2, Node>, cur: List<&2, Node>) -> Ps:
490 match cap:
491 case True{}:
492 Ps{(n + 1 : U32), False{}, Frame{Some{n}, alts, cur} <> stack, Nil{}, Nil{}}
493 case False{}:
494 Ps{n, False{}, Frame{None{}, alts, cur} <> stack, Nil{}, Nil{}}