code: function (tokens, entryParseFn) {
    var state = {
      tokens: tokens,
      token_i: 0,
      curr: void 0
    }
  
    advance(state)
    var s = entryParseFn(state)
    if (notOk(s)) {
      return s
    }
    if (state.curr.rule.id !== '(end)') {
      return Error(state.curr.token.loc, 'Expected `(end)`')
    }
    advance(state)
  
    return s
  }
docs: / /////////////////////////////////////////////////////////////////////////////