def textparse(ts)
    if ts.length <= 0
      raise Error, 'empty'
    end

    typ, _, val = ts[0]
    case typ
    when '{' then objparse(ts)
    when '[' then arrparse(ts)
    else
      raise Error, "unexpected #{val.inspect}"
    end
  end
def textparse(ts)
    if ts.length <= 0
      raise Error, 'empty'
    end

    typ, _, val = ts[0]
    case typ
    when '{' then objparse(ts)
    when '[' then arrparse(ts)
    else
      raise Error, "unexpected #{val.inspect}"
    end
  end
Parses a "json text" in the sense of RFC 4627.
 Returns the parsed value and any trailing tokens.
 Note: this is almost the same as valparse,
 except that it does not accept atomic values.