Function parse_regexor

2018/src/20.py:12–19

(s: str, i: int)

Graph = dict[tuple[int,int],set[tuple[int,int]]]

def parse_regexor(s: str, i: int) -> tuple[int,Regex]:
  regexes = []
  while i < len(s) and s[i] != ')':
    if s[i] == '|':
      i += 1
    i,r = parse_regex(s,i)
    regexes.append(r)
  return i+1, (RegexType.OR, regexes)

def parse_regex(s: str, i: int) -> tuple[int,Regex]:
  r = []