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First pass done!!!

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This commit is contained in:
Bradlee Speice 2018-05-26 20:14:30 -04:00
parent de47318411
commit 04421ebde0
4 changed files with 471 additions and 69 deletions
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2
Cargo.toml
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@ -5,4 +5,6 @@ authors = ["Bradlee Speice <bspeice@kcg.com>"]
[dependencies]
chrono = "0.4"
lazy_static = "*"
num-traits = "0.2"
rust_decimal = "0.8"

520
src/lib.rs
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@ -1,7 +1,11 @@
#![allow(dead_code)]
#![allow(unused)]
#[macro_use]
extern crate lazy_static;
extern crate chrono;
extern crate num_traits;
extern crate rust_decimal;
use chrono::DateTime;
@ -11,6 +15,7 @@ use chrono::Local;
use chrono::NaiveDateTime;
use chrono::NaiveTime;
use chrono::Utc;
use num_traits::cast::ToPrimitive;
use rust_decimal::Decimal;
use rust_decimal::Error as DecimalError;
use std::collections::HashMap;
@ -21,6 +26,12 @@ use std::vec::Vec;
#[cfg(test)]
mod tests;
lazy_static! {
static ref ZERO: Decimal = Decimal::new(0, 0);
static ref ONE: Decimal = Decimal::new(1, 0);
static ref TWENTY_FOUR: Decimal = Decimal::new(24, 0);
static ref SIXTY: Decimal = Decimal::new(60, 0);
}
#[derive(Debug, PartialEq)]
pub enum ParseInternalError {
@ -36,21 +47,29 @@ pub enum ParseInternalError {
}
impl From<DecimalError> for ParseInternalError {
fn from(err: DecimalError) -> Self { ParseInternalError::InvalidDecimal }
fn from(err: DecimalError) -> Self {
ParseInternalError::InvalidDecimal
}
}
impl From<ParseIntError> for ParseInternalError {
fn from(err: ParseIntError) -> Self { ParseInternalError::InvalidInteger }
fn from(err: ParseIntError) -> Self {
ParseInternalError::InvalidInteger
}
}
#[derive(Debug, PartialEq)]
#[derive(Debug)]
pub enum ParseError {
InternalError(ParseInternalError),
InvalidMonth,
UnrecognizedToken(String),
InvalidParseResult(ParsingResult),
}
impl From<ParseInternalError> for ParseError {
fn from(err: ParseInternalError) -> Self { ParseError::InternalError(err) }
fn from(err: ParseInternalError) -> Self {
ParseError::InternalError(err)
}
}
type ParseResult<I> = Result<I, ParseError>;
@ -279,6 +298,7 @@ fn parse_info(vec: Vec<Vec<&str>>) -> HashMap<String, usize> {
m
}
#[derive(Debug, PartialEq)]
struct ParserInfo {
jump: HashMap<String, usize>,
weekday: HashMap<String, usize>,
@ -400,13 +420,17 @@ impl ParserInfo {
// TODO: Should this be moved elsewhere?
fn validate(&self, res: &mut ParsingResult) -> bool {
if let Some(y) = res.year { res.year = Some(self.convertyear(y, res.century_specified)) };
if let Some(y) = res.year {
res.year = Some(self.convertyear(y, res.century_specified))
};
if res.tzoffset == 0 && res.tzname.is_none() || res.tzname == Some("Z".to_owned()) {
if res.tzoffset == Some(0) && res.tzname.is_none() || res.tzname == Some("Z".to_owned()) {
res.tzname = Some("UTC".to_owned());
res.tzoffset = 0;
} else if res.tzoffset != 0 && res.tzname.is_some() && self.get_utczone(res.tzname.as_ref().unwrap()) {
res.tzoffset = 0;
res.tzoffset = Some(0);
} else if res.tzoffset != Some(0) && res.tzname.is_some()
&& self.get_utczone(res.tzname.as_ref().unwrap())
{
res.tzoffset = Some(0);
}
true
@ -420,7 +444,11 @@ fn days_in_month(year: i32, month: i32) -> Result<i32, ParseError> {
};
match month {
2 => if leap_year { Ok(29) } else { Ok(28) },
2 => if leap_year {
Ok(29)
} else {
Ok(28)
},
1 | 3 | 5 | 7 | 8 | 10 | 12 => Ok(31),
4 | 6 | 9 | 11 => Ok(30),
_ => Err(ParseError::InvalidMonth),
@ -444,23 +472,24 @@ struct YMD {
}
impl YMD {
fn len(&self) -> usize {
self._ymd.len()
}
fn len(&self) -> usize { self._ymd.len() }
fn could_be_day(&self, val: i32) -> ParseResult<bool> {
fn could_be_day(&self, val: i32) -> bool {
if self.dstridx.is_some() {
Ok(false)
false
} else if self.mstridx.is_none() {
Ok((1 <= val) && (val <= 31))
(1 <= val) && (val <= 31)
} else if self.ystridx.is_none() {
// UNWRAP: mstridx guaranteed to have a value
// TODO: Justify unwrap for self._ymd
let month = self._ymd[self.mstridx.unwrap()];
Ok(1 <= val && (val <= days_in_month(2000, month)?))
1 <= val && (val <= days_in_month(2000, month).unwrap())
} else {
let month = self._ymd[self.mstridx.unwrap()];
let year = self._ymd[self.ystridx.unwrap()];
Ok(1 <= val && (val <= days_in_month(year, month)?))
1 <= val && (val <= days_in_month(year, month).unwrap())
}
}
@ -677,8 +706,8 @@ impl YMD {
}
}
#[derive(Default)]
struct ParsingResult {
#[derive(Default, Debug)]
pub struct ParsingResult {
year: Option<i32>,
month: Option<i32>,
day: Option<i32>,
@ -688,8 +717,8 @@ struct ParsingResult {
second: Option<i32>,
microsecond: Option<i32>,
tzname: Option<String>,
tzoffset: i32,
ampm: Option<bool>,
tzoffset: Option<i32>,
ampm: Option<usize>,
century_specified: bool,
any_unused_tokens: Vec<String>,
}
@ -700,25 +729,29 @@ struct Parser {
}
impl Parser {
pub fn parse(
&mut self,
timestr: String,
default: Option<NaiveDateTime>,
ignoretz: bool,
tzinfos: Vec<String>,
) -> Result<DateTime<FixedOffset>, ParseError> {
) -> Result<(NaiveDateTime, Option<FixedOffset>, Option<Vec<String>>), ParseError> {
let now = Local::now().naive_local();
let default_date = default.unwrap_or(now).date();
let default_ts = NaiveDateTime::new(default_date, NaiveTime::from_hms(0, 0, 0));
// TODO: What should be done with the tokens?
let (res, tokens) =
self.parse_with_tokens(timestr, None, None, false, false)?;
let (res, tokens) = self.parse_with_tokens(timestr, None, None, false, false)?;
let naive = self.build_naive(&res, default_ts);
Ok(self.build_tzaware(naive, &res, default_ts))
if !ignoretz {
let offset = self.build_tzaware(&naive, &res, default_ts);
Ok((naive, Some(offset.unwrap()), tokens))
} else {
Ok((naive, None, tokens))
}
}
fn parse_with_tokens(
@ -728,34 +761,178 @@ impl Parser {
yearfirst: Option<bool>,
fuzzy: bool,
fuzzy_with_tokens: bool,
) -> Result<(ParsingResult, Vec<String>), ParseError> {
) -> Result<(ParsingResult, Option<Vec<String>>), ParseError> {
let fuzzy = if fuzzy_with_tokens { true } else { fuzzy };
// This is probably a stylistic abomination
let dayfirst = if let Some(dayfirst) = dayfirst { dayfirst } else { self.info.dayfirst };
let yearfirst = if let Some(yearfirst) = yearfirst { yearfirst } else { self.info.yearfirst };
let dayfirst = if let Some(dayfirst) = dayfirst {
dayfirst
} else {
self.info.dayfirst
};
let yearfirst = if let Some(yearfirst) = yearfirst {
yearfirst
} else {
self.info.yearfirst
};
let mut res = ParsingResult::default();
let l = tokenize(&timestr);
let skipped_idxs: Vec<usize> = Vec::new();
let mut l = tokenize(&timestr);
let mut skipped_idxs: Vec<usize> = Vec::new();
let ymd = YMD::default();
let mut ymd = YMD::default();
let len_l = l.len();
let mut i = 0;
while i < len_l {
let value_repr = l.get(i).ok_or(ParseInternalError::ParseIndexError)?;
let value_repr = l[i].clone();
let value = value_repr.parse::<f32>();
if let Ok(v) = value {
i = self.parse_numeric_token(&l, i, &self.info, &ymd, &mut res, fuzzy)?;
i = self.parse_numeric_token(&l, i, &self.info, &mut ymd, &mut res, fuzzy)?;
} else if let Some(value) = self.info.get_weekday(&l[i]) {
res.weekday = Some(value != 0);
} else if let Some(value) = self.info.get_month(&l[i]) {
ymd.append(value as i32, Some(YMDLabel::Month));
if i + 1 < len_l {
if l[i + 1] == "-" || l[i + 1] == "/" {
// Jan-01[-99]
let sep = &l[i + 1];
// TODO: This seems like a very unsafe unwrap
ymd.append(l[i + 2].parse::<i32>().unwrap(), None);
if i + 3 < len_l && &l[i + 3] == sep {
// Jan-01-99
ymd.append(l[i + 4].parse::<i32>().unwrap(), None);
i += 2;
}
i += 2;
} else if (i + 4 < len_l && l[i + 1] == l[i + 3] && l[i + 3] == " "
&& self.info.get_pertain(&l[i + 2]))
{
// Jan of 01
if let Some(value) = l[i + 4].parse::<i32>().ok() {
let year = self.info.convertyear(value, false);
ymd.append(year, Some(YMDLabel::Year));
}
i += 4;
}
}
} else if let Some(value) = self.info.get_ampm(&l[i]) {
let is_ampm = self.ampm_valid(res.hour, res.ampm, fuzzy);
if is_ampm {
res.hour = Some(self.adjust_ampm(res.hour.unwrap(), value));
res.ampm = Some(value);
} else if fuzzy {
skipped_idxs.push(i);
}
} else if self.could_be_tzname(res.hour, res.tzname.clone(), res.tzoffset, &l[i]) {
res.tzname = Some(l[i].clone());
let tzname = res.tzname.clone().unwrap();
res.tzoffset = self.info.get_tzoffset(&tzname).map(|t| t as i32);
if i + 1 < len_l && (l[i + 1] == "+" || l[i + 1] == "-") {
// GMT+3
// According to dateutil docs - reverse the size, as GMT+3 means
// "my time +3 is GMT" not "GMT +3 is my time"
// TODO: Is there a better way of in-place modifying a vector?
let item = if l[i + 1] == "+" {
"-".to_owned()
} else {
"-".to_owned()
};
l.remove(i + 1);
l.insert(i + 1, item);
res.tzoffset = None;
if self.info.get_utczone(&tzname) {
res.tzname = None;
}
}
} else if res.hour.is_some() && (l[i] == "+" || l[i] == "-") {
let signal = if l[i] == "+" { 1 } else { -1 };
let len_li = l[i].len();
let mut hour_offset: Option<i32> = None;
let mut min_offset: Option<i32> = None;
// TODO: check that l[i + 1] is integer?
if len_li == 4 {
// -0300
hour_offset = Some(l[i + 1][..2].parse::<i32>().unwrap());
min_offset = Some(l[i + 1][2..4].parse::<i32>().unwrap());
} else if i + 2 < len_l && l[i + 2] == ":" {
// -03:00
hour_offset = Some(l[i + 1].parse::<i32>().unwrap());
min_offset = Some(l[i + 3].parse::<i32>().unwrap());
i += 2;
} else if len_li <= 2 {
// -[0]3
hour_offset = Some(l[i + 1][..2].parse::<i32>().unwrap());
min_offset = Some(0);
}
res.tzoffset =
Some(signal * (hour_offset.unwrap() * 3600 + min_offset.unwrap() * 60));
let tzname = res.tzname.clone();
if i + 5 < len_l && self.info.get_jump(&l[i + 2]) && l[i + 3] == "("
&& l[i + 5] == ")" && 3 <= l[i + 4].len()
&& self.could_be_tzname(res.hour, tzname, None, &l[i + 4])
{
// (GMT)
res.tzname = Some(l[i + 4].clone());
i += 4;
}
i += 1;
} else if !self.info.get_jump(&l[i]) || fuzzy {
return Err(ParseError::UnrecognizedToken(l[i].clone()));
} else {
skipped_idxs.push(i);
}
i += 1;
}
let (year, month, day) = ymd.resolve_ymd(yearfirst, dayfirst)?;
res.century_specified = ymd.century_specified;
res.year = Some(year);
res.month = Some(month);
res.day = Some(day);
if !self.info.validate(&mut res) {
Err(ParseError::InvalidParseResult(res))
} else if fuzzy_with_tokens {
let skipped_tokens = skipped_idxs.into_iter().map(|i| l[i].clone()).collect();
Ok((res, Some(skipped_tokens)))
} else {
Ok((res, None))
}
}
Err(ParseError::InvalidMonth)
fn could_be_tzname(
&self,
hour: Option<i32>,
tzname: Option<String>,
tzoffset: Option<i32>,
token: &str,
) -> bool {
false
}
fn ampm_valid(&self, hour: Option<i32>, ampm: Option<usize>, fuzzy: bool) -> bool {
false
}
fn build_naive(&self, res: &ParsingResult, default: NaiveDateTime) -> NaiveDateTime {
@ -764,47 +941,280 @@ impl Parser {
fn build_tzaware(
&self,
dt: NaiveDateTime,
dt: &NaiveDateTime,
res: &ParsingResult,
default: NaiveDateTime,
) -> DateTime<FixedOffset> {
Local::now().with_timezone(&FixedOffset::east(0))
) -> Result<FixedOffset, ParseError> {
Ok(FixedOffset::east(0))
}
fn parse_numeric_token(&self, tokens: &Vec<String>, idx: usize, info: &ParserInfo, ymd: &YMD, res: &mut ParsingResult, fuzzy: bool) -> Result<usize, ParseInternalError> {
fn parse_numeric_token(
&self,
tokens: &Vec<String>,
idx: usize,
info: &ParserInfo,
ymd: &mut YMD,
res: &mut ParsingResult,
fuzzy: bool,
) -> Result<usize, ParseInternalError> {
let mut idx = idx;
let value_repr = &tokens[idx];
let value = Decimal::from_str(&value_repr)?;
let mut value = Decimal::from_str(&value_repr).unwrap();
let len_li = value_repr.len();
let len_l = tokens.len();
let mut s: Option<&str> = None;
// TODO: I miss the `x in y` syntax
// TODO: Decompose this logic a bit
if ymd.len() == 3 && (len_li == 2 || len_li == 4) &&
res.hour.is_none() && (
idx + 1 >= len_l ||
(tokens[idx + 1] != ":" && info.get_hms(&tokens[idx + 1]).is_none())) {
if ymd.len() == 3 && (len_li == 2 || len_li == 4) && res.hour.is_none()
&& (idx + 1 >= len_l
|| (tokens[idx + 1] != ":" && info.get_hms(&tokens[idx + 1]).is_none()))
{
// 1990101T32[59]
s = Some(&tokens[idx]);
res.hour = Some(s.unwrap()[0..2].parse::<i32>()?);
let s = &tokens[idx];
res.hour = s[0..2].parse::<i32>().ok();
if len_li == 4 { res.minute = Some(s.unwrap()[2..4].parse::<i32>()?) }
if len_li == 4 {
res.minute = Some(s[2..4].parse::<i32>()?)
}
} else if len_li == 6 || (len_li > 6 && tokens[idx].find(".") == Some(6)) {
// YYMMDD or HHMMSS[.ss]
let s = &tokens[idx];
if ymd.len() == 0 && tokens[idx].find(".") == None {
ymd.append(s[0..2].parse::<i32>().unwrap(), None);
ymd.append(s[2..4].parse::<i32>().unwrap(), None);
ymd.append(s[4..6].parse::<i32>().unwrap(), None);
} else {
// 19990101T235959[.59]
res.hour = s[0..2].parse::<i32>().ok();
res.minute = s[2..4].parse::<i32>().ok();
let t = self.parsems(&s[4..])?;
res.second = Some(t.0);
res.microsecond = Some(t.1);
}
} else if vec![8, 12, 14].contains(&len_li) {
// YYMMDD
let s = &tokens[idx];
ymd.append(s[..4].parse::<i32>().unwrap(), Some(YMDLabel::Year));
ymd.append(s[4..6].parse::<i32>().unwrap(), None);
ymd.append(s[6..8].parse::<i32>().unwrap(), None);
if len_li > 8 {
res.hour = Some(s[8..10].parse::<i32>()?);
res.minute = Some(s[10..12].parse::<i32>()?);
if len_li > 12 {
res.second = Some(s[12..].parse::<i32>()?);
}
}
} else if let Some(hms_idx) = self.find_hms_index(idx, tokens, info, true) {
// HH[ ]h or MM[ ]m or SS[.ss][ ]s
let (idx, hms) = self.parse_hms(idx, tokens, info, Some(hms_idx));
if hms.is_some() {
// TODO: This unwrap is unjustified.
self.assign_hms(res, value_repr, hms.unwrap());
}
} else if idx + 2 < len_l && tokens[idx + 1] == ":" {
// HH:MM[:SS[.ss]]
// TODO: Better story around Decimal handling
res.hour = Some(value.floor().to_i64().unwrap() as i32);
// TODO: Rescope `value` here?
value = self.to_decimal(&tokens[idx + 2]);
let min_sec = self.parse_min_sec(value);
res.minute = Some(min_sec.0);
res.second = min_sec.1;
if idx + 4 < len_l && tokens[idx + 3] == ":" {
// TODO: (x, y) = (a, b) syntax?
let ms = self.parsems(&tokens[idx + 4]).unwrap();
res.second = Some(ms.0);
res.microsecond = Some(ms.1);
idx += 2;
}
idx += 2;
} else if idx + 1 < len_l
&& (tokens[idx + 1] == "-" || tokens[idx + 1] == "/" || tokens[idx + 1] == ".")
{
// TODO: There's got to be a better way of handling the condition above
let sep = &tokens[idx + 1];
ymd.append(value_repr.parse::<i32>().unwrap(), None);
if idx + 2 < len_l && !info.get_jump(&tokens[idx + 2]) {
if let Ok(val) = tokens[idx + 2].parse::<i32>() {
ymd.append(val, None);
} else if let Some(val) = info.get_month(&tokens[idx + 2]) {
ymd.append(val as i32, Some(YMDLabel::Month));
}
if idx + 3 < len_l && &tokens[idx + 3] == sep {
if let Some(value) = info.get_month(&tokens[idx + 4]) {
ymd.append(value as i32, Some(YMDLabel::Month));
} else {
ymd.append(tokens[idx + 4].parse::<i32>().unwrap(), None);
}
idx += 2;
}
idx += 1;
}
idx += 1
} else if idx + 1 >= len_l || info.get_jump(&tokens[idx + 1]) {
if idx + 2 < len_l && info.get_ampm(&tokens[idx + 2]).is_some() {
let hour = value.to_i64().unwrap() as i32;
let ampm = info.get_ampm(&tokens[idx + 2]).unwrap();
res.hour = Some(self.adjust_ampm(hour, ampm));
}
} else if info.get_ampm(&tokens[idx + 1]).is_some()
&& (*ZERO <= value && value < *TWENTY_FOUR)
{
// 12am
let hour = value.to_i64().unwrap() as i32;
res.hour = Some(self.adjust_ampm(hour, info.get_ampm(&tokens[idx + 1]).unwrap()));
idx += 1;
} else if ymd.could_be_day(value.to_i64().unwrap() as i32) {
ymd.append(value.to_i64().unwrap() as i32, None);
} else if !fuzzy {
return Err(ParseInternalError::ValueError("".to_owned()));
}
Ok(idx)
}
fn adjust_ampm(&self, hour: i32, ampm: usize) -> i32 {
if hour < 12 && ampm == 1 {
hour + 12
} else if hour == 12 && ampm == 0 {
0
} else {
hour
}
}
fn parse_with_info(timestr: String, info: ParserInfo) -> Result<DateTime<FixedOffset>, ParseError> {
fn parsems(&self, seconds_str: &str) -> Result<(i32, i32), ParseInternalError> {
if seconds_str.contains(".") {
let split: Vec<&str> = seconds_str.split(".").collect();
let (i, f): (&str, &str) = (split[0], split[1]);
let i_parse = i.parse::<i32>()?;
let f_parse = ljust(f, 6, '0').parse::<i32>()?;
Ok((i_parse, f_parse))
} else {
Ok((seconds_str.parse::<i32>()?, 0))
}
}
fn find_hms_index(
&self,
idx: usize,
tokens: &Vec<String>,
info: &ParserInfo,
allow_jump: bool,
) -> Option<usize> {
let len_l = tokens.len();
let mut hms_idx = None;
if idx + 1 < len_l && info.get_hms(&tokens[idx + 1]).is_some() {
hms_idx = Some(idx + 1)
} else if allow_jump && idx + 2 < len_l && tokens[idx + 1] == " "
&& info.get_hms(&tokens[idx + 2]).is_some()
{
hms_idx = Some(idx + 2)
} else if idx > 0 && info.get_hms(&tokens[idx - 1]).is_some() {
hms_idx = Some(idx - 1)
}
// TODO: The condition for this in Python seems a bit ambiguous
else if idx == len_l - 1 && tokens[idx - 1] == " "
&& info.get_hms(&tokens[idx - 2]).is_some()
{
hms_idx = Some(idx - 2)
}
hms_idx
}
fn parse_hms(
&self,
idx: usize,
tokens: &Vec<String>,
info: &ParserInfo,
hms_index: Option<usize>,
) -> (usize, Option<usize>) {
if hms_index.is_none() {
(idx, None)
} else if hms_index.unwrap() > idx {
(
hms_index.unwrap(),
info.get_hms(&tokens[hms_index.unwrap()]),
)
} else {
(
idx,
info.get_hms(&tokens[hms_index.unwrap()]).map(|u| u + 1),
)
}
}
fn assign_hms(&self, res: &mut ParsingResult, value_repr: &str, hms: usize) {
let value = self.to_decimal(value_repr);
if hms == 0 {
res.hour = Some(value.to_i64().unwrap() as i32);
if close_to_integer(&value) {
// TODO: High probability of issues with rounding here.
res.minute = Some((*SIXTY * (value % *ONE)).to_i64().unwrap() as i32);
}
} else if hms == 1 {
let (min, sec) = self.parse_min_sec(value);
} else if hms == 2 {
let (sec, micro) = self.parsems(value_repr).unwrap();
}
}
fn to_decimal(&self, value: &str) -> Decimal {
// TODO: Actual decimals, and handling infinity
Decimal::from_str(value).unwrap()
}
fn parse_min_sec(&self, value: Decimal) -> (i32, Option<i32>) {
let minute = value.floor().to_i64().unwrap() as i32;
let mut second = None;
let sec_remainder = value % *ONE;
if sec_remainder != *ZERO {
second = Some((*SIXTY * sec_remainder).floor().to_i64().unwrap() as i32);
}
(minute, second)
}
}
fn close_to_integer(value: &Decimal) -> bool {
value % *ONE == *ZERO
}
fn ljust(s: &str, chars: usize, replace: char) -> String {
if s.len() >= chars {
s[..chars].to_owned()
} else {
format!("{}{}", s, replace.to_string().repeat(chars - s.len()))
}
}
fn parse_with_info(
timestr: String,
info: ParserInfo,
) -> ParseResult<(NaiveDateTime, Option<FixedOffset>, Option<Vec<String>>)> {
// TODO: Is `::new()` more stylistic?
let mut parser = Parser { info: info };
parser.parse(timestr, None, false, vec![])
}
fn parse(timestr: String) -> Result<DateTime<FixedOffset>, ParseError> {
parse_with_info(timestr, ParserInfo::default())
fn parse(timestr: String) -> ParseResult<(NaiveDateTime, Option<FixedOffset>)> {
let parse_result = parse_with_info(timestr, ParserInfo::default())?;
Ok((parse_result.0, parse_result.1))
}

1
src/tests/compat_parse.rs
View File

@ -1,4 +1,3 @@
// WARNING
// This file was auto-generated using the `build_tests.py` script.
// Please do not edit it manually.

13
src/tests/compat_split_string.rs
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@ -1,4 +1,3 @@
// WARNING
// This file was auto-generated using the `build_tests.py` script.
// Please do not edit it manually.
@ -42,18 +41,10 @@ fn test_python_compat() {
);
assert_eq!(
tokenize("19990101T23"),
vec![
"19990101".to_owned(),
"T".to_owned(),
"23".to_owned(),
]
vec!["19990101".to_owned(), "T".to_owned(), "23".to_owned()]
);
assert_eq!(
tokenize("19990101T2359"),
vec![
"19990101".to_owned(),
"T".to_owned(),
"2359".to_owned(),
]
vec!["19990101".to_owned(), "T".to_owned(), "2359".to_owned()]
);
}