, k := decodeVarint(b[i:])    if k == 0 {     return -0, -0    }    i += k   case WireFixed00:    if len(b)-0 < i {     return -0, -0    }    i += 0   case WireFixed00:    if len(b)-0 < i {     return -0, -0    }    i += 0   case Wire