Added error handler.

Dependencies

• [2] NLFSLCBO Added in-place mut_range() and range().
• [3] QYLGEDIV First record.
• [4] XCCNAGMZ Created with_range() fn on RegularTimeSeries.
• [5] YMV7RPQ5 Improved csv reading and cleanup up serialization.
• [6] TD7KX2PI Added year-on-year transform.
• [7] XIWTRGR6 Prepare to make external iterator for TimeSeries.
• [8] VGDNIY33 Added error source locations.
• [9] IYW574EK Created RegularTimeSeriesIter.

Change contents

• edit in src/lib.rs at line 1
  [3.57]→[3.0:128](∅→∅),[3.16]→[3.0:128](∅→∅),[3.128]→[3.45:46](∅→∅),[3.45]→[3.45:46](∅→∅),[3.46]→[3.58:62](∅→∅)
  − //! A time-series abstraction. A date of with granularity in months or larger associated with a

  − //! numeric array of any size.

  −

  − ///
• replacement in src/lib.rs at line 20
  [3.64]→[2.0:43](∅→∅)
  − /// A duration between two `MonthlyDates`.
  [3.64]

  [2.43]
  + /// A duration between two `Months`.
• edit in src/lib.rs at line 49
  [3.359]

  [2.91]
  + impl fmt::Display for Duration {

  + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {

  + let mut s = String::new();

  + match self.0 {

  + 1 => s.push_str("1 month"),

  + n => {

  + s.push_str(&n.to_string());

  + s.push_str(" months");

  + },

  + };

  + write!(f, "{}", s)

  + }

  + }

  +
• replacement in src/lib.rs at line 192
  [3.659]→[3.659:764](∅→∅),[3.764]→[2.381:435](∅→∅)
  − let year = match line[..4].parse() {

  − Ok(y) => y,

  − Err(_) => {

  − return Err(parse_csv_date_failed(
  [3.659]

  [3.307]
  + let year = line[..4].parse()

  + .map_err(|_| {

  + parse_csv_date_failed(
• replacement in src/lib.rs at line 200
  [3.463]→[3.463:486](∅→∅),[3.486]→[3.840:874](∅→∅),[3.840]→[3.840:874](∅→∅)
  − ))

  − },

  − };
  [3.463]

  [3.874]
  + )

  + })?;
• replacement in src/lib.rs at line 203
  [3.875]→[3.875:982](∅→∅),[3.982]→[2.436:490](∅→∅)
  − let month = match line[5..7].parse() {

  − Ok(m) => m,

  − Err(_) => {

  − return Err(parse_csv_date_failed(
  [3.875]

  [3.544]
  + let month = line[5..7].parse()

  + .map_err(|_| {

  + parse_csv_date_failed(
• replacement in src/lib.rs at line 211
  [3.700]→[3.700:723](∅→∅),[3.723]→[3.1058:1092](∅→∅),[3.1058]→[3.1058:1092](∅→∅)
  − ))

  − },

  − };
  [3.700]

  [3.1092]
  + )

  + })?;
• replacement in src/lib.rs at line 214
  [3.1093]→[3.1093:1215](∅→∅),[3.1215]→[2.491:546](∅→∅)
  − let value = match line[12..].parse::<f32>() {

  − Ok(value) => value,

  − Err(_) => {

  − return Err(parse_csv_value_failed(
  [3.1093]

  [3.782]
  + let value = line[12..].parse::<f32>()

  + .map_err(|_| {

  + parse_csv_value_failed(
• replacement in src/lib.rs at line 222
  [3.938]→[3.938:961](∅→∅),[3.961]→[3.1292:1326](∅→∅),[3.1292]→[3.1292:1326](∅→∅)
  − ))

  − },

  − };
  [3.938]

  [3.1326]
  + )

  + })?;
• edit in src/lib.rs at line 236
  [3.3969]→[3.1239:1643](∅→∅),[3.1643]→[3.4253:4254](∅→∅),[3.4253]→[3.4253:4254](∅→∅)
  − // /// Return true if the durations between Points are all equal.

  − // pub fn is_regular(&self, duration: &MonthlyDate) -> bool {

  − // if self.len < 2 {

  − // return false

  − // } else {

  − // self.0.as_slice().windows(2).all(|datapoint_pair| {

  − // datapoint_pair[1].date() - datapoint_pair[0].date() == *duration

  − // })

  − // }

  − // }

  −
• replacement in src/lib.rs at line 238
  [3.1706]→[3.1706:1715](∅→∅)
  −
  [3.1706]

  [3.962]
  +
• replacement in src/lib.rs at line 360
  [3.2820]→[3.2727:2811](∅→∅),[3.591]→[3.2727:2811](∅→∅)
  − pub fn zip_one_one(self, other: RegularTimeSeries<1>) -> RegularTimeSeries<2> {
  [3.2820]

  [3.667]
  + pub fn zip_one_one(self, other: RegularTimeSeries<1>) -> Result<RegularTimeSeries<2>, Error> {
• replacement in src/lib.rs at line 365
  [3.828]→[3.828:889](∅→∅)
  − if self.duration() != other.duration() { panic!() };
  [3.828]

  [3.889]
  + if self.duration() != other.duration() {

  + return Err(expected_same_durations(

  + file!(),

  + line!(),

  + &self.duration().to_string(),

  + &other.duration().to_string(),

  + ));

  + };
• replacement in src/lib.rs at line 390
  [3.2901]→[3.1488:1540](∅→∅),[3.1488]→[3.1488:1540](∅→∅)
  − TimeSeries::<2>::new(v).try_into().unwrap()
  [3.2901]

  [3.1540]
  + TimeSeries::<2>::new(v).try_into()
• edit in src/lib.rs at line 476
  [3.1650]→[3.3526:3527](∅→∅),[3.3526]→[3.3526:3527](∅→∅)
  −
• edit in src/lib.rs at line 477
  [3.3602]→[3.3602:3603](∅→∅)
  −
• edit in src/lib.rs at line 486
  [3.1793]

  [3.3903]
  + let index = (date.as_isize() - self.first_date().as_isize()) / self.duration.0;
• edit in src/lib.rs at line 488
  [3.3904]→[3.3904:3990](∅→∅),[3.3990]→[3.1550:1551](∅→∅),[3.5366]→[3.1550:1551](∅→∅)
  − let index = date.as_isize() - self.first_date().as_isize() / self.duration.0;

  −
• edit in src/lib.rs at line 579
  [3.5573]→[3.5573:5574](∅→∅)
  −
• edit in src/lib.rs at line 582
  [3.5760]→[3.5760:5761](∅→∅)
  −
• edit in src/lib.rs at line 722
  [3.10469]
  +
• replacement in src/error.rs at line 30
  [3.2716]→[3.2716:2720](∅→∅)
  − ///
  [3.2716]

  [3.2039]
  + pub fn expected_same_durations(

  + code_file: &str,

  + code_line: u32,

  + first_duration: &str,

  + second_duration: &str) -> Error

  + {

  + Error(format!(

  + "[time_series:02:{}:{}] Expected time-series to have same duration but had [{}] and [{}].",

  + code_file,

  + code_line,

  + first_duration,

  + second_duration,

  + ))

  + }

  +